M6 × 40 mm Penny Washer – Bright Zinc Plated (100 Pack)

Available Variant:

• M6 × 40 mm bright zinc-plated penny (mudguard) washer, pack of 100

Product Overview

These large-diameter penny washers distribute tightening loads over a wider area, protecting soft materials and preventing fastener pull-through. Finished in bright zinc plate for added corrosion resistance.

Key Features

• Large Outer Diameter: 40 mm OD spreads load vs. standard flat washers (inner 6 mm hole).
• Bright Zinc Plated (BZP): Offers corrosion protection and smooth finish.
• Metric M6 Compatible: Inner hole Ø6 mm for use with M6 bolts or studs.
• Thick Design: Approximately 1.5 mm thick for additional strength.
• Pack of 100: Great for production builds, repairs, or bulk hardware projects.

Typical Applications

• Sheet-metal assembly where standard washers would pull through thin panels.
• Repairing worn/mis-sized bolt holes (e.g., in mudguards or panels).
• Distributing loads in maintenance, roofing, fencing, and construction tasks.

Technical Specifications

• Inner Diameter (ID): ~6 mm (fits M6 thread)
• Outer Diameter (OD): ~40 mm
• Thickness: ~1.5 mm
• Material & Finish: Steel with bright zinc plating (BZP)
• Standards: Also known as DIN 9054 penny washer :contentReference[oaicite:1]{index=1}
• Quantity: 100 washers per pack

Why Choose This Penny Washer?

Whether you're reinforcing bolt holes, assembling panels, or repairing equipment, this penny washer delivers strong performance and protection. Its zinc finish resists corrosion, while the oversized diameter protects materials from damage.