Safety Washers and Tab Washers – What They Are For?

Stainless steel safety washers

Stainless steel safety washers

Stainless steel safety washers are thin plates (typically disk-shaped) with a hole (typically in the middle).


Washers. Where to place them?

Washers are normally used to distribute the load of a threaded fasteners, such as a screw or nut.

A locking washer that works by having a side tab that can be bent into place against a nut. Metallic or non-metallic, the tab washer notch prevents rotation relative to the shaft or fastener.

Safety washers. What are and when use them?

Safety washers are similar as tab washers. A flap is folder into the side of the bolt and another jag fits together in a hole (or tab). Alternatively, this force on another surface.

Safety washer and tabs

Here some type of safety washers and tabs:

  • Locking washers type S
stainless steel safety washers
  • Contact washers according to NFE 25-511 M
stainless steel safety washers
  • Tab washers with long tab
stainless steel safety washers
  • External tab washers
stainless steel safety washers
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