Secraft 3mm Cap Bolt Washer Red (12 Pack) | RC Airplane Hardware

Secraft Cap Bolt Washer 3mm – Red (12 Pack)

The Secraft 3mm Cap Bolt Washer is a premium RC aircraft hardware solution designed to improve both functionality and appearance. These washers are specifically engineered to simplify installation and removal of components such as engine cowls and canopies.

Machined from aircraft-grade 6061-T6 aluminum and anodized in red for durability and style, these washers provide a clean, professional finish while helping distribute load and reduce wear on mounting surfaces.

Key Features

• Cap bolt design allows easier removal of cowls and canopies
• Precision-machined 6061-T6 anodized aluminum
• Improves access for maintenance and adjustments
• Reduces stress on mounting surfaces
• Compatible with M3 / 4-40 hardware

Specifications

• Size: 3mm (M3 / 4-40 compatible)
• Outer Diameter: 10mm
• Inner Diameter: 3.5mm
• Material: 6061-T6 Aluminum (Anodized Red)
• Quantity: 12 washers per package

Applications

These Secraft cap bolt washers are commonly used in:

• RC airplane engine cowls
• Canopy mounting and quick-access panels
• Landing gear and fuselage mounting points
• Motor mounts and structural hardware
• General RC aircraft upgrades

Why Use Cap Bolt Washers?

Cap bolt washers are designed to make maintenance easier by providing a larger, more accessible surface for fastening points. This is especially useful on RC aircraft where frequent access to internal components is required.

Upgrade your build with Secraft hardware—engineered for durability, performance, and a clean custom finish.