Screw stabilizer

Securing disk for interposition between two component parts...

Self locking nut

Self-centering, self-tightening fastener

Self-locking fastener with captive washer

Self-locking fastening device

Self-locking resilient or non-resilient element

Self-locking safety wheel nut with locking wrench

Self-retaining spring washer

Structure of an anti-burglar screw bolt

Threaded ceiling hook with anti rotation washer

Toilet bowl mounting bolt assembly

Trapeze hanger

Two piece cradle nut

Washer and threaded assembly provided therewith

Washer and threaded fastener assembly incorporating same

Washer for securing electrical conduction at connections

Washer with a relief

Washer with crush zone

Wedge cam lock washer for threaded fasteners