3/4in (20mm) Nord Lock Washer Vibration Proof

These washers are essential for fastening applications requiring maximum vibration and shock protection. Made from carbon steel, these Nord Lock Washers are designed to withstand extreme conditions with their advanced locking system that works by creating friction between the two washers in order to prevent loosening, even under extreme shock and vibration. These washers offer reliability and durability, and is safe in a variety of industries from automotive to appliance and more. 19290 Bolt Size : 3/4" or 20MM Outer Diameter : 1-7/32" Hardness : Through Hardened: 465HVI Material : Carbon Steel Finish : Zinc Flake