{"title":"RC Propeller Accessories | Prop Adapters \u0026 RC Prop Hardware | Gator RC","description":"\u003cp\u003eShop RC propeller accessories for model airplanes at Gator RC. This collection includes prop adapters, mounting hardware, and other components used to securely install propellers on RC aircraft.\u003c\/p\u003e\n\n\u003cp\u003eThese propeller accessories are designed for electric and gas powered RC airplanes and help ensure proper prop alignment and reliable performance. Find the parts you need to maintain or upgrade your RC aircraft power system.\u003c\/p\u003e","products":[{"product_id":"falcon-propeller-covers-various-sizes","title":"Falcon Propeller Covers (Various Sizes)","description":"\u003cp\u003eSlip this soft neoprene sleeve over your prop and stop worrying about the drive home. It cushions the blades against every bump, tool bag, and canopy edge between your shop and the flight line.\u003c\/p\u003e\u003ch4\u003eWhy pilots use it\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh quality neoprene with a snug, no-slip fit\u003c\/li\u003e\n\u003cli\u003eCushions blade tips and edges during transport and storage\u003c\/li\u003e\n\u003cli\u003eKeeps dust and grit off polished blades\u003c\/li\u003e\n\u003cli\u003eLightweight and quick to slide on or off at the field\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAvailable sizes\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e16-17\"\u003c\/li\u003e\n\u003cli\u003e18-19\"\u003c\/li\u003e\n\u003cli\u003e20-22\"\u003c\/li\u003e\n\u003cli\u003e22-25\"\u003c\/li\u003e\n\u003cli\u003e26-27\"\u003c\/li\u003e\n\u003cli\u003e28-29\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose your size above. A cheap bit of insurance for an expensive propeller.\u003c\/p\u003e","brand":"Falcon","offers":[{"title":"16-17\"","offer_id":49014152823006,"sku":"FPC16017","price":9.45,"currency_code":"USD","in_stock":false},{"title":"18-19\"","offer_id":49014152855774,"sku":"FPC18019","price":9.45,"currency_code":"USD","in_stock":false},{"title":"20-22\"","offer_id":49014152888542,"sku":"FPC20022","price":10.99,"currency_code":"USD","in_stock":false},{"title":"22-25\"","offer_id":49014152921310,"sku":"FPC22025","price":10.95,"currency_code":"USD","in_stock":false},{"title":"26-27\"","offer_id":49014152954078,"sku":"FPC25028","price":12.95,"currency_code":"USD","in_stock":true},{"title":"28-29\"","offer_id":49014152986846,"sku":"FPC27030","price":12.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop-cover_1_2.jpg?v=1749058650"},{"product_id":"prospin-prop-nut-adaptor-8mm-x-1mm-w-8mm-bushing","title":"ProSpin 8mm x 1.0 Prop Nut with 8mm Bushing (PN81)","description":"\u003ch2 style=\"font-size: 1.8em; color: #1e293b; margin-bottom: 10px;\"\u003eProSpin 8mm x 1.0 Prop Nut with 8mm Bushing\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 10px;\"\u003eThe \u003cstrong\u003eProSpin 8mm x 1.0 Prop Nut with 8mm Bushing\u003c\/strong\u003e is a replacement or alternate-fit mounting set for compatible ProSpin aluminum spinner installations. It includes an 8 mm prop nut with a 1.0 mm metric thread pitch and a matching 8 mm bushing.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 15px;\"\u003eChoose this part when your engine or motor has an \u003cstrong\u003e8 mm x 1.0 mm threaded propeller shaft\u003c\/strong\u003e. Unlike the standard prop nuts supplied according to spinner size, the PN81 is selected according to the shaft thread required by the engine or motor.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #f8fafc; padding: 12px; border-left: 5px solid #1f7a3a; margin-bottom: 15px;\"\u003e\n\u003ch3 style=\"color: #1e293b; margin: 0 0 8px 0; font-size: 1.1em;\"\u003e✅ Product Highlights\u003c\/h3\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eReplacement or alternate-fit prop nut for compatible ProSpin spinners\u003c\/li\u003e\n\u003cli\u003e8 mm metric thread diameter\u003c\/li\u003e\n\u003cli\u003e1.0 mm metric thread pitch\u003c\/li\u003e\n\u003cli\u003eIncludes a matching 8 mm bushing\u003c\/li\u003e\n\u003cli\u003eSelected according to the engine or motor shaft thread\u003c\/li\u003e\n\u003cli\u003eMPI Products part number PN81\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #fffaf0; border-left: 5px solid #ed8936; padding: 12px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠ Verify the Thread Pitch:\u003c\/strong\u003e This prop nut fits an \u003cstrong\u003e8 mm x 1.0 mm\u003c\/strong\u003e threaded shaft. It will not fit an 8 mm x 1.25 mm shaft. Confirm both the shaft diameter and thread pitch before ordering.\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px; color: #1f7a3a;\"\u003e📏 Choosing Between the PN81 and PN82\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.9em; margin-bottom: 10px;\"\u003eProSpin offers two prop nuts with an 8 mm diameter. They have different thread pitches and are not interchangeable.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.85em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eShaft Thread\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eBushing\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #fffdf2; border: 2px solid #1f7a3a;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePN81 — This Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e8 mm x 1.0 mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePN82\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 mm x 1.25 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size: 0.9em; margin-bottom: 15px;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Both parts have an 8 mm diameter, but the thread spacing is different. The correct choice must match the complete shaft specification.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eUnderstanding the 8mm x 1.0mm Size\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 mm:\u003c\/strong\u003e Nominal thread diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.0 mm:\u003c\/strong\u003e Distance between the metric threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 mm bushing:\u003c\/strong\u003e Matching bushing supplied with the prop nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eCompatibility\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.95em; margin-bottom: 10px;\"\u003eThe PN81 is intended for compatible ProSpin spinner installations on an engine or motor with an 8 mm x 1.0 mm threaded propeller shaft. Compatibility is determined by the shaft specification, not by spinner diameter alone.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible shaft thread: 8 mm x 1.0 mm\u003c\/li\u003e\n\u003cli\u003eIncluded bushing size: 8 mm\u003c\/li\u003e\n\u003cli\u003eMay replace a standard ProSpin prop nut when a different shaft thread is required\u003c\/li\u003e\n\u003cli\u003eNot compatible with an 8 mm x 1.25 mm shaft\u003c\/li\u003e\n\u003cli\u003eNot a universal-fit prop nut\u003c\/li\u003e\n\u003cli\u003eSpinner and propeller are not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003cdetails open=\"\" style=\"border: 1px solid #ccc; padding: 10px; border-radius: 5px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eView Technical Specifications\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding-top: 15px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.9em;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eProSpin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eMPI Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePN81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eSpinner prop nut and bushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e1.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBushing Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ProSpin 8mm x 1.0mm prop nut\u003c\/li\u003e\n\u003cli\u003e1 x 8mm bushing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size: 0.9em;\"\u003e\u003cstrong\u003eProSpin spinner, propeller, engine, motor, and additional mounting hardware are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 15px; padding: 12px; border: 1px dashed #64748b; background-color: #f8fafc;\"\u003e\n\u003ch4 style=\"margin-top: 0; font-size: 1em;\"\u003e💡 Modeler’s Tip\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9em; margin-bottom: 0;\"\u003eThe correct prop nut should engage the shaft smoothly by hand. Never force it. If it binds immediately, stop and verify whether the shaft uses a 1.0 mm or 1.25 mm thread pitch.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 20px 0;\"\u003e\n\n\u003cdiv style=\"background-color: #f0f7ff; padding: 12px; border-left: 5px solid #007ace;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.95em;\"\u003e\u003cstrong\u003eShop with Gator-RC:\u003c\/strong\u003e Find ProSpin spinner components and replacement hardware backed by knowledgeable service from experienced RC modelers.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"MPI Products","offers":[{"title":"Default Title","offer_id":46988887752926,"sku":"PN81","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/pn81.png?v=1788973394"},{"product_id":"prospin-prop-nut-adaptor-10mm-x-1-25mm-w-10mm-bushing","title":"ProSpin 10mm x 1.25 Prop Nut with 10mm Bushing (PN102)","description":"\u003ch2 style=\"font-size: 1.8em; color: #1e293b; margin-bottom: 10px;\"\u003eProSpin 10mm x 1.25 Prop Nut with 10mm Bushing\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 10px;\"\u003eThe \u003cstrong\u003eProSpin 10mm x 1.25 Prop Nut with 10mm Bushing\u003c\/strong\u003e is a replacement mounting set for compatible ProSpin aluminum spinner installations. It includes a prop nut with a 10 mm diameter and 1.25 mm thread pitch, along with a matching 10 mm bushing.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 15px;\"\u003eThis is the standard prop nut size supplied with ProSpin 4-1\/2-inch and 5-inch spinners. It may also be used when replacing the standard nut on another compatible ProSpin spinner, provided the engine or motor has a \u003cstrong\u003e10 mm x 1.25 mm threaded propeller shaft\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #f8fafc; padding: 12px; border-left: 5px solid #1f7a3a; margin-bottom: 15px;\"\u003e\n\u003ch3 style=\"color: #1e293b; margin: 0 0 8px 0; font-size: 1.1em;\"\u003e✅ Product Highlights\u003c\/h3\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eReplacement prop nut for compatible ProSpin spinner installations\u003c\/li\u003e\n\u003cli\u003e10 mm metric thread diameter\u003c\/li\u003e\n\u003cli\u003e1.25 mm thread pitch\u003c\/li\u003e\n\u003cli\u003eIncludes a matching 10 mm bushing\u003c\/li\u003e\n\u003cli\u003eStandard prop nut size for 4-1\/2-inch and 5-inch ProSpin spinners\u003c\/li\u003e\n\u003cli\u003eMPI Products part number PN102\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px; color: #1f7a3a;\"\u003e📏 ProSpin Spinner and Standard Prop Nut Guide\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.9em; margin-bottom: 10px;\"\u003eThe table below shows the standard prop nut normally supplied with each ProSpin aluminum spinner size. If your engine uses a different shaft thread, a separately purchased replacement prop nut may be required.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.85em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eProSpin Spinner Size\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eStandard Prop Nut\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1-1\/2 to 3-1\/4 inches\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1\/4\"-28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3-1\/2 to 4 inches\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5\/16\"-24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fffdf2; border: 2px solid #1f7a3a;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e4-1\/2 and 5 inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e10 mm x 1.25 mm — This Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #fffaf0; border-left: 5px solid #ed8936; padding: 12px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠ Verify Your Shaft Thread:\u003c\/strong\u003e This prop nut fits a \u003cstrong\u003e10 mm x 1.25 mm\u003c\/strong\u003e threaded shaft. It will not fit a 10 mm x 1.0 mm shaft. Confirm both the shaft diameter and thread pitch before ordering.\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eUnderstanding the 10mm x 1.25mm Size\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 mm:\u003c\/strong\u003e Nominal thread diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25 mm:\u003c\/strong\u003e Distance between the metric threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 mm bushing:\u003c\/strong\u003e Matching bushing supplied with the prop nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size: 0.95em; margin-bottom: 15px;\"\u003eThread diameter alone does not determine compatibility. ProSpin also offers a 10 mm prop nut with a 1.0 mm thread pitch, so the pitch must be checked carefully before installation.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eCompatibility\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.95em; margin-bottom: 10px;\"\u003eThis replacement component is intended for ProSpin spinner installations that require a 10 mm x 1.25 mm prop nut and a 10 mm bushing. Engine and motor shaft specifications may vary, including between models from the same manufacturer.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible thread: 10 mm x 1.25 mm\u003c\/li\u003e\n\u003cli\u003eIncluded bushing size: 10 mm\u003c\/li\u003e\n\u003cli\u003eStandard fitment: ProSpin 4-1\/2-inch and 5-inch spinners\u003c\/li\u003e\n\u003cli\u003eNot compatible with 10 mm x 1.0 mm shafts\u003c\/li\u003e\n\u003cli\u003eNot a universal-fit prop nut\u003c\/li\u003e\n\u003cli\u003eSpinner and propeller are not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003cdetails open=\"\" style=\"border: 1px solid #ccc; padding: 10px; border-radius: 5px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eView Technical Specifications\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding-top: 15px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.9em;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eProSpin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eMPI Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePN102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eSpinner prop nut and bushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e1.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBushing Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eStandard Spinner Sizes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e4-1\/2 and 5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ProSpin 10mm x 1.25mm prop nut\u003c\/li\u003e\n\u003cli\u003e1 x 10mm bushing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size: 0.9em;\"\u003e\u003cstrong\u003eProSpin spinner, propeller, engine, motor, and additional mounting hardware are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 15px; padding: 12px; border: 1px dashed #64748b; background-color: #f8fafc;\"\u003e\n\u003ch4 style=\"margin-top: 0; font-size: 1em;\"\u003e💡 Modeler’s Tip\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9em; margin-bottom: 0;\"\u003eThe correct prop nut should thread onto the shaft smoothly by hand. Never force the nut. If it binds immediately, stop and recheck the shaft diameter, thread pitch, and thread condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 20px 0;\"\u003e\n\n\u003cdiv style=\"background-color: #f0f7ff; padding: 12px; border-left: 5px solid #007ace;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.95em;\"\u003e\u003cstrong\u003eShop with Gator-RC:\u003c\/strong\u003e Find ProSpin spinner components and replacement hardware backed by knowledgeable service from experienced RC modelers.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"MPI Products","offers":[{"title":"Default Title","offer_id":46988887949534,"sku":"PN102","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prospinnuts.png?v=1788972402"},{"product_id":"secraft-prop-shaft-adapters-collet-type-3-0mm","title":"Secraft Prop Shaft Adapters Collet Type 3.0mm","description":"\u003cp\u003e\u003cstrong\u003eProp Adaptor (Collet Type)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC machined collet type prop shaft adapters.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eStrong, aircraft-grade aluminum alloy to keep your propeller firmly attached. Collet insures perfect centering on the motor shaft \u003c\/p\u003e\n\u003cp\u003eMaterial: AL6061 (anodized)\u003cbr\u003e\u003cbr\u003eCollet type\u003cbr\u003e\u003cbr\u003eMotor axle hole diameter: 3.0mm\u003cbr\u003ePropeller axle diameter: 6.0mm\u003cbr\u003e\u003cbr\u003eweight: 7.6g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Green","offer_id":46988894404830,"sku":"SE-PA-8050-Green","price":3.9,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":46988894437598,"sku":"SE-PA-8050-Red","price":3.9,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46988894470366,"sku":"SE-PA-8050-Blue","price":3.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_adaptor_collet_type_3mm.jpg?v=1749075783"},{"product_id":"secraft-prop-shaft-adapters-collet-type-4-0mm","title":"Secraft Prop Shaft Adapters Collet Type 4.0mm","description":"\u003cp\u003e\u003cstrong\u003eProp Adaptor (Collet Type)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC machined collet type prop shaft adapters.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eStrong, aircraft-grade aluminum alloy to keep your propeller firmly attached. Collet insures perfect centering on the motor shaft \u003c\/p\u003e\n\u003cp\u003eMaterial: AL6061 (anodized)\u003cbr\u003e\u003cbr\u003eCollet type\u003cbr\u003e\u003cbr\u003eMotor axle hole diameter: 4.0mm\u003cbr\u003ePropeller axle diameter: 6.0mm\u003cbr\u003e\u003cbr\u003eweight: 7.6g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Red","offer_id":46988894896350,"sku":"SE-PA-8051-Red","price":3.9,"currency_code":"USD","in_stock":false},{"title":"Blue","offer_id":46988894929118,"sku":"SE-PA-8051-Blue","price":3.9,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":46988894961886,"sku":"SE-PA-8051-Green","price":3.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_adaptor_collet_type_3mm_2.jpg?v=1749076005"},{"product_id":"secraft-precision-propeller-balancer","title":"Secraft Precision Propeller Balancer","description":"\u003ch3\u003e\u003cspan style=\"font-size: 18px;\"\u003ePrecision Propeller Balancer Secraft (M4 X 70mm)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eQuick, easy and inexpensive\u003cbr\u003ePerfect for quick, accurate balancing even at the field\u003cbr\u003e\u003cbr\u003eShaft Length: 70mm\u003cbr\u003eScrew : M4 (40mm)\u003cbr\u003eweight: 11g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Red","offer_id":46988895125726,"sku":"SE-PA-8052-Red","price":6.0,"currency_code":"USD","in_stock":false},{"title":"Blue","offer_id":46988895158494,"sku":"SE-PA-8052-Blue","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_balancer_red_1.jpg?v=1749076028"},{"product_id":"secraft-prop-adaptor-2-0mm-side-lock-type","title":"Secraft Prop Adaptor 2.0mm (Side Lock Type)","description":"\u003ch4\u003eProp adaptor 2.0mm(Side lock type) \u003c\/h4\u003e\n\u003cp\u003eMaterial: AL6061 (anodized)\u003cbr\u003e\u003cbr\u003eSide lock type\u003cbr\u003e\u003cbr\u003eMotor axle hole diameter: 2.0mm\u003cbr\u003ePropeller axle diameter: 5.0mm\u003cbr\u003e\u003cbr\u003eweight: 5g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Green","offer_id":46988920160478,"sku":"SE-PA-8053-Green","price":3.5,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":46988920193246,"sku":"SE-PA-8053-Red","price":3.5,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46988920226014,"sku":"SE-PA-8053-Blue","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_adapters.jpg?v=1749078629"},{"product_id":"secraft-prop-adapter-2-3mm-side-lock-type","title":"Secraft Prop adapter 2.3mm (Side lock type)","description":"\u003ch4 class=\"product-info-heading h2\"\u003eProp adapter 2.3mm (Side lock type) \u003c\/h4\u003e\n\u003cp\u003eMaterial: AL6061 (anodized)\u003cbr\u003e\u003cbr\u003eSide lock type\u003cbr\u003e\u003cbr\u003eMotor axle hole diameter: 2.3mm\u003cbr\u003ePropeller axle diameter: 5.0mm\u003cbr\u003e\u003cbr\u003eweight: 5g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Red","offer_id":46988920488158,"sku":"SE-PA-8054-Red","price":3.5,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":46988920520926,"sku":"SE-PA-8054-Green","price":3.5,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46988920553694,"sku":"SE-PA-8054-Blue","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_adapters_1.jpg?v=1749078664"},{"product_id":"secraft-prop-adapter-3-0mm-side-lock-type","title":"Secraft Prop adapter 3.0mm (Side lock type)","description":"\u003ch4\u003eProp adapter 3.0mm (Side lock type) Secraft\u003c\/h4\u003e\n\u003cp\u003eMaterial: AL6061 (anodized)\u003cbr\u003e\u003cbr\u003eSide lock type\u003cbr\u003e\u003cbr\u003eMotor axle hole diameter: 3.0mm\u003cbr\u003ePropeller axle diameter: 5.0mm\u003cbr\u003eWeight: 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5g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Red","offer_id":46988920881374,"sku":"SE-PA-8056-Red","price":3.5,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":46988920914142,"sku":"SE-PA-8056-Green","price":3.5,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46988920946910,"sku":"SE-PA-8056-Blue","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_adapters_3.jpg?v=1749078741"},{"product_id":"secraft-prop-adapter-4-0mm-side-lock-type","title":"Secraft Prop adapter 4.0mm (Side lock type)","description":"\u003ch4\u003eProp adapter 4.0mm (Side lock type) Secraft\u003c\/h4\u003e\n\u003cp\u003eMaterial: AL6061 (anodized)\u003cbr\u003e\u003cbr\u003eSide lock type\u003cbr\u003e\u003cbr\u003eMotor axle hole diameter: 4.0mm\u003cbr\u003ePropeller axle diameter: 6.0mm\u003cbr\u003e\u003cbr\u003eweight: 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14g\u003c\/p\u003e","brand":"Secraft","offers":[{"title":"Red","offer_id":46988921831646,"sku":"SE-PA-8058-Red","price":4.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":46988921864414,"sku":"SE-PA-8058-Green","price":4.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46988921897182,"sku":"SE-PA-8058-Blue","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/prop_adapters_5.jpg?v=1749078823"},{"product_id":"gator-rc-propeller-spinner-backplate-drill-jig-dle-111-sized-da-stinger-engines","title":"Gator RC Propeller \u0026 Spinner Backplate Drill Jig – DLE, 111 sized , DA \u0026 Stinger  Engines","description":"\u003cp\u003e\u003cstrong\u003eGator RC Propeller \u0026amp; Spinner Backplate Drill Jig – EME, DLE, DA \u0026amp; RCGF Engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Gator RC Propeller \u0026amp; Spinner Backplate Drill Jig is designed to help accurately drill propeller and spinner backplate mounting holes for popular RC gasoline engines including EME, DLE, DA, RCGF, and many others using the same bolt pattern.\u003c\/p\u003e\n\u003cp\u003eMade from hardened steel with a precision-machined drill pattern, this jig helps improve hole alignment while reducing the chance of crooked or misaligned drilling. The knurled outer surface provides improved grip during installation and removal.\u003c\/p\u003e\n\u003cp\u003eThis drill jig is ideal for giant scale RC airplanes using larger gas engines where accurate propeller and spinner alignment is critical for smooth operation and reduced vibration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision propeller and spinner backplate drill jig\u003c\/li\u003e\n\u003cli\u003eDesigned for popular large gas engine bolt patterns\u003c\/li\u003e\n\u003cli\u003eHardened steel construction\u003c\/li\u003e\n\u003cli\u003eHelps ensure straight, centered drilling\u003c\/li\u003e\n\u003cli\u003eImproves spinner and propeller alignment\u003c\/li\u003e\n\u003cli\u003eKnurled outer surface for easier handling\u003c\/li\u003e\n\u003cli\u003eUseful for wood and composite propellers\u003c\/li\u003e\n\u003cli\u003eReduces drilling errors and bolt misalignment\u003c\/li\u003e\n\u003cli\u003eIdeal for giant scale RC airplanes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatible Engines\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEME\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEME 120 and similar bolt patterns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDLE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDLE 85, DLE 120, DLE 222\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDA 85, DA 100, DA120, DA150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRCGF and compatible engines using the same bolt pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGator RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePropeller \u0026amp; Spinner Backplate Drill Jig\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardened Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack Oxide Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRC gasoline engine propeller drilling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWood and composite propellers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrip Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKnurled outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGRC-TS-3009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Use a Propeller Drill Jig?\u003c\/h3\u003e\n\u003cp\u003eAccurately drilled propeller bolt holes are critical for proper spinner alignment, smooth engine operation, and reduced vibration. A drill jig helps guide the drill bit through the correct bolt pattern while keeping the holes evenly spaced and centered.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the drill jig securely to the propeller hub area\u003c\/li\u003e\n\u003cli\u003eDrill from the back side of the propeller whenever possible\u003c\/li\u003e\n\u003cli\u003eBack the drill bit out frequently to clear wood chips\u003c\/li\u003e\n\u003cli\u003eInstall a bolt into the first completed hole to maintain alignment while drilling the remaining holes\u003c\/li\u003e\n\u003cli\u003eDo not force the drill bit through the propeller material\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003ePropeller Orientation Tip\u003c\/h3\u003e\n\u003cp\u003eWhen drilling gas airplane propellers, orient the propeller blades horizontally at the 9 o’clock and 3 o’clock positions relative to the compression stroke. This can help reduce damage to the propeller and airframe during dead-stick landings.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne hardened steel propeller and spinner backplate drill jig\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eModeler’s Tip\u003c\/h3\u003e\n\u003cp\u003eFor the most accurate results, use the drill jig together with a drill press to help maintain perfectly straight bolt holes through the propeller hub.\u003c\/p\u003e","brand":"Gator-RC","offers":[{"title":"Default Title","offer_id":46988958990558,"sku":"GRC-TS-3009","price":18.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/back_plate_drill_jig.png?v=1778174222"},{"product_id":"gator-rc-ducted-fan-propeller-5-leaf-2-38-72mm-for-rc-aircraft-lower-price","title":"Gator RC Ducted Fan Propeller 5 Leaf 2.38\" 72mm for RC Aircraft Lower price!","description":"\u003cp class=\"a-size-large a-spacing-none\"\u003e\u003cspan id=\"productTitle\" class=\"a-size-large product-title-word-break\"\u003eBlack Plastic Electrical equipment 5 Vanes Ducted Fan Vane 2.38\" 72mm for RC Aircraft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRC Model Accessories 72mm 5 Leaf Ducted Fan Blades Included No Air D\/F No Reverse\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003eProduct Name :5 Vanes Ducted Fan Propeller\u003cbr\u003eRotor Diameter: 2.38inch(72mm)\u003cbr\u003eFit Motor Shaft Diameter:50mm\/55mm\/65mm\/89mm\u003cbr\u003eHub Total Height: 20mm\/ 0.8inch\u003cbr\u003eMaterial: Plastic\u003cbr\u003eColor: Black\u003cbr\u003eWeight:15g\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003eWidely used on RC airplane, 5 Vanes ducted fan propeller replacement.\u003cbr\u003ePlease carefully check the rotor diameter of these products to make sure they are perfectly compatible with your RC plane motor.\u003cbr\u003e\u003cbr\u003ePackage Content:\u003cbr\u003e1 x 5 Vanes Ducted Fan Propellers\u003c\/p\u003e","brand":"Gator-RC","offers":[{"title":"Default Title","offer_id":46988961874142,"sku":"GRC-PP-1306","price":5.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/1-pc-hy-rc-plane-model-accessories-72mm-5-leaf-ducted-fan-blades-no-include-airduct_1.jpg?v=1749083613"},{"product_id":"prospin-prop-nut-5-16-24-w-5-16-bushing","title":"ProSpin 5\/16\"-24 Prop Nut with 5\/16\" Bushing (PN516)","description":"\u003ch2 style=\"font-size: 1.8em; color: #1e293b; margin-bottom: 10px;\"\u003eProSpin 5\/16\"-24 Prop Nut with 5\/16\" Bushing\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 10px;\"\u003eThe \u003cstrong\u003eProSpin 5\/16\"-24 Prop Nut with 5\/16\" Bushing\u003c\/strong\u003e is a replacement mounting set for compatible ProSpin aluminum spinner installations. It includes a prop nut with a 5\/16-inch diameter and 24 threads per inch, along with a matching 5\/16-inch bushing.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 15px;\"\u003eThis is the standard prop nut size supplied with ProSpin 3-1\/2-inch, 3-3\/4-inch, and 4-inch spinners. Before ordering, verify that your engine or motor has a \u003cstrong\u003e5\/16\"-24 threaded propeller shaft\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #f8fafc; padding: 12px; border-left: 5px solid #1f7a3a; margin-bottom: 15px;\"\u003e\n\u003ch3 style=\"color: #1e293b; margin: 0 0 8px 0; font-size: 1.1em;\"\u003e✅ Product Highlights\u003c\/h3\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eReplacement prop nut for compatible ProSpin spinner installations\u003c\/li\u003e\n\u003cli\u003e5\/16-inch thread diameter\u003c\/li\u003e\n\u003cli\u003e24 threads per inch\u003c\/li\u003e\n\u003cli\u003eIncludes a matching 5\/16-inch bushing\u003c\/li\u003e\n\u003cli\u003eStandard prop nut for several larger ProSpin spinner sizes\u003c\/li\u003e\n\u003cli\u003eMPI Products part number PN516\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px; color: #1f7a3a;\"\u003e📏 ProSpin Spinner and Standard Prop Nut Guide\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.9em; margin-bottom: 10px;\"\u003eThe table below shows the standard prop nut normally supplied with each ProSpin aluminum spinner size. If your engine uses a different shaft thread, a separately purchased replacement prop nut may be required.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.85em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eProSpin Spinner Size\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eStandard Prop Nut\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1-1\/2 to 3-1\/4 inches\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1\/4\"-28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fffdf2; border: 2px solid #1f7a3a;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e3-1\/2, 3-3\/4, and 4 inches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e5\/16\"-24 — This Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4-1\/2 and 5 inches\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10 mm x 1.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #fffaf0; border-left: 5px solid #ed8936; padding: 12px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠ Verify Your Shaft Thread:\u003c\/strong\u003e This prop nut fits a \u003cstrong\u003e5\/16\"-24 threaded shaft\u003c\/strong\u003e. A 5\/16-inch shaft may use a different thread count, and a similar-looking 8 mm metric shaft is not the same size. Confirm the complete shaft specification before ordering.\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eUnderstanding the 5\/16\"-24 Size\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/16 inch:\u003c\/strong\u003e Nominal thread diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24:\u003c\/strong\u003e Number of threads per inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/16-inch bushing:\u003c\/strong\u003e Matching bushing supplied with the prop nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size: 0.95em; margin-bottom: 15px;\"\u003eBoth measurements are important. The correct diameter with the wrong thread count will not fit properly and may damage the prop nut or engine shaft.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eCompatibility\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.95em; margin-bottom: 10px;\"\u003eThe PN516 is intended for ProSpin spinner installations that require a 5\/16\"-24 prop nut and a 5\/16-inch bushing. Engine and motor shaft specifications may vary, including between models from the same manufacturer.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible shaft thread: 5\/16\"-24\u003c\/li\u003e\n\u003cli\u003eIncluded bushing size: 5\/16 inch\u003c\/li\u003e\n\u003cli\u003eStandard spinner sizes: 3-1\/2, 3-3\/4, and 4 inches\u003c\/li\u003e\n\u003cli\u003eNot interchangeable with an 8 mm metric prop nut\u003c\/li\u003e\n\u003cli\u003eNot a universal-fit prop nut\u003c\/li\u003e\n\u003cli\u003eSpinner and propeller are not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003cdetails open=\"\" style=\"border: 1px solid #ccc; padding: 10px; border-radius: 5px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eView Technical Specifications\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding-top: 15px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.9em;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eProSpin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eMPI Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePN516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eSpinner prop nut and bushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e5\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Specification:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e5\/16\"-24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBushing Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e5\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eStandard Spinner Sizes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e3-1\/2, 3-3\/4, and 4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ProSpin 5\/16\"-24 prop nut\u003c\/li\u003e\n\u003cli\u003e1 x 5\/16-inch bushing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size: 0.9em;\"\u003e\u003cstrong\u003eProSpin spinner, propeller, engine, motor, and additional mounting hardware are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 15px; padding: 12px; border: 1px dashed #64748b; background-color: #f8fafc;\"\u003e\n\u003ch4 style=\"margin-top: 0; font-size: 1em;\"\u003e💡 Modeler’s Tip\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9em; margin-bottom: 0;\"\u003eThe correct prop nut should engage the shaft smoothly by hand. Never force it. If the nut binds immediately, stop and recheck the shaft diameter, thread count, and thread condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 20px 0;\"\u003e\n\n\u003cdiv style=\"background-color: #f0f7ff; padding: 12px; border-left: 5px solid #007ace;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.95em;\"\u003e\u003cstrong\u003eShop with Gator-RC:\u003c\/strong\u003e Find ProSpin spinner components and replacement hardware backed by knowledgeable service from experienced RC modelers.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"MPI Products","offers":[{"title":"Default Title","offer_id":46988965740766,"sku":"PN516","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/pn5162.png?v=1788972850"},{"product_id":"dubro-1-4-28-aluminum-spinner-prop-nut","title":"DuBro 1\/4-28 Aluminum Spinner Prop Nut","description":"\u003cp\u003eDuBro 1\/4-28 Aluminum Spinner Prop Nut\u003c\/p\u003e\n\u003cp\u003eThis is a Du-Bro 1\/4-28 Aluminum Spinner Prop Nut. Du-Bro Spinner Prop Nuts work with standard electric starting cones, meet AMA safety specs, and are CNC machined from 6061 T6 aluminum.\u003c\/p\u003e\n\u003ch3 id=\"featureList\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv id=\"featureListDiv\" class=\"wrapDiv\"\u003e\n\u003cul\u003e\n\u003cli\u003e1 per package\u003c\/li\u003e\n\u003cli\u003eMade from 6061 T6 aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Du-bro Products","offers":[{"title":"Default Title","offer_id":46988995723486,"sku":"DUB730","price":14.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/dub730.jpg?v=1749087768"},{"product_id":"dubro-5-16-24-aluminum-spinner-prop-nut","title":"DuBro 5\/16-24 Aluminum Spinner Prop Nut","description":"\u003cp class=\"productname\"\u003eDuBro 5\/16-24 Aluminum Spinner Prop Nut\u003c\/p\u003e\n\u003cp class=\"productname\"\u003eA hole through the spinner allows a ball driver to act as a T-handle to securely tighten the nut on your engine. Du-Bro's beautiful Aluminum \u003cem\u003eSpinner Prop Nuts are 1-1\/4'' in diameter\u003c\/em\u003e and can be used with a standard electric starter starting cone.\u003c\/p\u003e\n\u003cp class=\"productname\"\u003eThis is a Du-Bro 5\/16-24 Aluminum Spinner Prop Nut. Du-Bro Spinner Prop Nuts work with standard electric starting cones, meet AMA safety specs, and are CNC machined from 6061 T6 aluminum.\u003c\/p\u003e","brand":"Du-bro Products","offers":[{"title":"Default Title","offer_id":46988995789022,"sku":"DUB731","price":14.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/dub731.jpg?v=1749087779"},{"product_id":"dubro-tru-spin-precision-prop-wheel-balancer","title":"DuBro Tru Spin Precision Prop\/Wheel Balancer","description":"\u003ch2 style=\"color: #1e293b; font-size: 1.6em; font-weight: bold; margin-bottom: 12px;\"\u003eDU-BRO Tru-Spin Precision Prop \u0026amp; Wheel Balancer\u003c\/h2\u003e\n\u003cp\u003eThe DU-BRO Tru-Spin Prop Balancer is widely regarded as the most precise prop balancer on the market. Whether you're balancing RC airplane props, drone rotors, spinners, helicopter rotor heads, or jet fans, this is the tool serious pilots trust to get it right every time.\u003c\/p\u003e\n\u003cdiv style=\"background: #f0f7ff; border-left: 4px solid #007ace; padding: 16px 20px; margin: 20px 0; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 1em;\"\u003e✈️ \u003cstrong\u003eWhy Prop Balancing Matters\u003c\/strong\u003e\u003cbr\u003eAn unbalanced prop creates vibration that wears down bearings, loosens hardware, and degrades flight performance over time. A properly balanced prop means smoother flights, longer motor life, and better efficiency — whether you're flying electric or gas. The Tru-Spin makes this a quick, repeatable process with professional-grade accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #1e293b; margin-top: 24px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpecially designed locking cone centers and locks props on the shaft for maximum accuracy\u003c\/li\u003e\n\u003cli\u003eEach cone is individually inspected on a calibrator to ensure true running\u003c\/li\u003e\n\u003cli\u003eHardened, centerless-ground balancing shaft for precision balance every time\u003c\/li\u003e\n\u003cli\u003eFriction-free aluminum wheels for ultra-sensitive balance detection\u003c\/li\u003e\n\u003cli\u003eBalances props of all sizes and weights — airplane, drone, boat, helicopter, jet fan, spinner, car wheel, and more\u003c\/li\u003e\n\u003cli\u003eIncludes easy-to-follow assembly and balancing instructions\u003c\/li\u003e\n\u003cli\u003eComplete unit includes the 5.5\" balancing shaft\u003c\/li\u003e\n\u003cli\u003eOptional 8\" XL shaft available for wider props (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails style=\"border: 1px solid #cbd5e1; border-radius: 6px; padding: 12px 16px; margin: 20px 0;\" open=\"\"\u003e\n\u003csummary style=\"font-weight: bold; font-size: 1em; cursor: pointer; color: #1e293b;\"\u003e📐 Specifications \u0026amp; Variants\u003c\/summary\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600;\"\u003eSKU #499 – Complete Unit\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px;\"\u003eFull balancer with 5.5\" shaft included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600;\"\u003eSKU #959 – Replacement Shaft\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px;\"\u003e5.5\" replacement balancing shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600;\"\u003eSKU #978 – XL Replacement Shaft\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px;\"\u003e8.0\" shaft for wider\/larger props\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600;\"\u003eCompatible With\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px;\"\u003eRC airplane props, drone\/quadcopter props, boat props, spinners, helicopter rotor heads, jet fans, flywheels, car wheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600;\"\u003eQuantity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px;\"\u003e1 per package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; font-weight: 600;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px;\"\u003eDU-BRO Products – Made in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003cdiv style=\"background: #f0f7ff; border-left: 4px solid #007ace; padding: 16px 20px; margin: 20px 0; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003e✅ The Gator-RC Advantage\u003c\/strong\u003e\u003cbr\u003eGator-RC stocks a full range of DU-BRO accessories so you can get what you need fast. Our team are working pilots who use these tools themselves — if you have questions about which shaft size is right for your setup, we're here to help. Fast US shipping, real support, no guesswork.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Du-bro Products","offers":[{"title":"Complete Unit","offer_id":48245506801886,"sku":"DUB499","price":44.49,"currency_code":"USD","in_stock":false},{"title":"Replacement Prop Balancer Shaft (5.5\" Long)","offer_id":48245506834654,"sku":"DUB959","price":19.5,"currency_code":"USD","in_stock":true},{"title":"XL Replacement Prop Balancer Shaft (8\" Long)","offer_id":48245506867422,"sku":"DUB978","price":25.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/dub499_jpg.webp?v=1755735847"},{"product_id":"prospin-8mm-x-1-25-prop-nut-with-8mm-bushing-pn82","title":"ProSpin 8mm x 1.25 Prop Nut with 8mm Bushing (PN82)","description":"\u003ch2 style=\"font-size: 1.8em; color: #1e293b; margin-bottom: 10px;\"\u003eProSpin 8mm x 1.25 Prop Nut with 8mm Bushing\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 10px;\"\u003eThe \u003cstrong\u003eProSpin 8mm x 1.25 Prop Nut with 8mm Bushing\u003c\/strong\u003e is a replacement or alternate-fit mounting set for compatible ProSpin aluminum spinner installations. It includes an 8 mm prop nut with a 1.25 mm metric thread pitch and a matching 8 mm bushing.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 15px;\"\u003eChoose the PN82 when your engine or motor has an \u003cstrong\u003e8 mm x 1.25 mm threaded propeller shaft\u003c\/strong\u003e. ProSpin replacement prop nuts are selected according to the shaft thread required by the engine or motor, rather than spinner diameter alone.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #f8fafc; padding: 12px; border-left: 5px solid #1f7a3a; margin-bottom: 15px;\"\u003e\n\u003ch3 style=\"color: #1e293b; margin: 0 0 8px 0; font-size: 1.1em;\"\u003e✅ Product Highlights\u003c\/h3\u003e\n\u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n\u003cli\u003eReplacement or alternate-fit prop nut for compatible ProSpin spinners\u003c\/li\u003e\n\u003cli\u003e8 mm metric thread diameter\u003c\/li\u003e\n\u003cli\u003e1.25 mm metric thread pitch\u003c\/li\u003e\n\u003cli\u003eIncludes a matching 8 mm bushing\u003c\/li\u003e\n\u003cli\u003eSelected according to the engine or motor shaft thread\u003c\/li\u003e\n\u003cli\u003eMPI Products part number PN82\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background-color: #fffaf0; border-left: 5px solid #ed8936; padding: 12px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠ Verify the Thread Pitch:\u003c\/strong\u003e This prop nut fits an \u003cstrong\u003e8 mm x 1.25 mm\u003c\/strong\u003e threaded shaft. It will not fit an 8 mm x 1.0 mm shaft. Confirm both the shaft diameter and thread pitch before ordering.\n\u003c\/div\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px; color: #1f7a3a;\"\u003e📏 Choosing Between the PN81 and PN82\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.9em; margin-bottom: 10px;\"\u003eProSpin offers two prop nuts with an 8 mm diameter. The thread pitches are different, so the two parts are not interchangeable.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.85em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f1f5f9;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eShaft Thread\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd; text-align: left;\"\u003eBushing\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePN81\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 mm x 1.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fffdf2; border: 2px solid #1f7a3a;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePN82 — This Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e8 mm x 1.25 mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size: 0.9em; margin-bottom: 15px;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Both parts have an 8 mm diameter, but the spacing between their threads is different. The correct choice must match the complete shaft specification.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eUnderstanding the 8mm x 1.25mm Size\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 mm:\u003c\/strong\u003e Nominal thread diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25 mm:\u003c\/strong\u003e Distance between the metric threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 mm bushing:\u003c\/strong\u003e Matching bushing supplied with the prop nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"font-size: 1.1em; margin-top: 20px;\"\u003eCompatibility\u003c\/h3\u003e\n\n\u003cp style=\"font-size: 0.95em; margin-bottom: 10px;\"\u003eThe PN82 is intended for compatible ProSpin spinner installations on an engine or motor with an 8 mm x 1.25 mm threaded propeller shaft. Engine and motor specifications may vary, including between models from the same manufacturer.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCompatible shaft thread: 8 mm x 1.25 mm\u003c\/li\u003e\n\u003cli\u003eIncluded bushing size: 8 mm\u003c\/li\u003e\n\u003cli\u003eMay replace a standard ProSpin prop nut when this shaft thread is required\u003c\/li\u003e\n\u003cli\u003eNot compatible with an 8 mm x 1.0 mm shaft\u003c\/li\u003e\n\u003cli\u003eNot a universal-fit prop nut\u003c\/li\u003e\n\u003cli\u003eSpinner and propeller are not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"margin-top: 20px;\"\u003e\n\u003cdetails open=\"\" style=\"border: 1px solid #ccc; padding: 10px; border-radius: 5px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eView Technical Specifications\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"padding-top: 15px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 0.9em;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eProSpin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eMPI Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003ePN82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003eSpinner prop nut and bushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e1.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 6px;\"\u003e\u003cstrong\u003eBushing Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ProSpin 8mm x 1.25mm prop nut\u003c\/li\u003e\n\u003cli\u003e1 x 8mm bushing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-size: 0.9em;\"\u003e\u003cstrong\u003eProSpin spinner, propeller, engine, motor, and additional mounting hardware are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv style=\"margin-top: 15px; padding: 12px; border: 1px dashed #64748b; background-color: #f8fafc;\"\u003e\n\u003ch4 style=\"margin-top: 0; font-size: 1em;\"\u003e💡 Modeler’s Tip\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9em; margin-bottom: 0;\"\u003eThe correct prop nut should engage the shaft smoothly by hand. Never force it. If the nut binds immediately, stop and verify whether the shaft uses a 1.0 mm or 1.25 mm thread pitch.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr style=\"margin: 20px 0;\"\u003e\n\n\u003cdiv style=\"background-color: #f0f7ff; padding: 12px; border-left: 5px solid #007ace;\"\u003e\n\u003cp style=\"margin: 0; font-size: 0.95em;\"\u003e\u003cstrong\u003eShop with Gator-RC:\u003c\/strong\u003e Find ProSpin spinner components and replacement hardware backed by knowledgeable service from experienced RC modelers.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"MPI Products","offers":[{"title":"Default Title","offer_id":49013138915550,"sku":"PN82","price":4.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/pn82.png?v=1788973838"}],"url":"https:\/\/www.gator-rc.com\/collections\/propeller-accessories.oembed","provider":"Gator RC","version":"1.0","type":"link"}