Large Fiber Shoulder Washers

More coverage. More protection. Built for precision setups.

Lucky’s Large Fiber Shoulder Washers provide increased surface area for enhanced insulation and stability when isolating electrical components from the frame. Ideal for builders who want added coverage on binding posts or contact screw assemblies.

Proudly made in the USA, these washers deliver reliable performance and durability for demanding shop environments.

Features

• Made in the USA – Built for professional tattoo machine builders
• Expanded Surface Area – Greater coverage for improved insulation
• Electrical Protection – Prevents short circuits to the frame
• Shoulder Fit Design – Keeps hardware centered and aligned
• Durable Fiber Construction – Built for repeated use
• Ideal for Custom Builds – Perfect for dialing in setups

Key Applications

• Rear Binding Post – Adds insulation and stability
• Contact Screw Assembly – Fully isolates front binding post from frame

Technical Specifications

• Type: Shoulder Washer
• Size: Large
• Material: Fiber (non-conductive)
• Hole Size: #8 (fits 8-32 hardware)
• Outer Diameter (OD): 0.5"
• Function: Electrical insulation, spacing, stabilization
• Placement: Frame (binding posts and contact screw assembly)
• Colors Available: Black, Grey, Red
• Country of Origin: USA
• Compatibility: Coil tattoo machines

Assembly Tips

• Use with a metal washer to prevent crushing the fiber
• Ideal when extra insulation or stability is needed
• Ensure full separation between hardware and frame
• Avoid overtightening

Why Choose Large?

When you need more coverage or are working with setups that benefit from added insulation, the large shoulder washers give you that extra margin of reliability and control.