Perfect for machinery, construction devices, transportation, and infrastructure projects, these washers provide reliable fastening performance in high-stress environments.

Specification
Color: Silver
Material: Manganese Steel
Adaptable Bolt Size: M20
Inner Diameter: 21.4 mm / 0.84 inch
Outer Diameter: 39 mm / 1.54 inch
Thickness: 3.4 mm / 0.13 inch
Packing List: 4 x Wedge Locking Washers

Advantage
Material: Made of Manganese Steel, which provides anti-rust properties, wear resistance, oxidation resistance, high strength, and long service time.
Feature: These washers have a dual-wedge design with interlocking teeth on both sides that create more friction and rotational resistance between the fasteners and substrate for superior locking capability.

Instruction
Easy to install, just placed between the bolt and nut to create a strong clamping force, preventing loosening from vibrations or dynamic forces.

NOTE: Please confirm the size before choosing our product.