Engineering:Lockring

From HandWiki
Short description: Threaded washer used to prevent components from becoming loose during rotation
Locking washers, size M4
For the Bronze Age jewellery, see lock ring.

A lock ring is a threaded washer used to prevent components from becoming loose during rotation. They are found on an adjustable bottom bracket and a track hub of a bicycle. Lokring is another form of fastener used in the automotive and air condition industries. These fittings are often confused with lockrings.