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
- Contact washers according to NFE 25-511 M
- Tab washers with long tab
- External tab washers
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