These washers have two tabs that can be folded around a bolt head or nut forming a mechanical locking solution between the bolt or nut and the ajoining surface. to DIN 7349 and used with bolts with heavy type spring pins, where a larger bearing surface area is required.

Metric Washers - Westfield Fasteners Ltd Metric Washers - Westfield Fasteners Ltd

Nord-Lock washers, also known as wedge-locking washers, secure bolts with tension instead of friction. Tab washers, also known as long tab wing washers are a type of locking washer, conforming to DIN 463. It is a highly ductile and malleable material, enabling copper washers to create tighter seals and withstand vibration better than steel. Westfield Fasteners Limited is a company registered in England and Wales with company number 07215583. Copper Alloy - Copper has good corrosion resistance and high tensile strength, allowing it to withstand high-pressure and high temperature conditions.