241251 ⎘
Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener; Coupled nut and bolt Rachet and nut-carried pawl
Sub-classes:Anti-back-out fastener for applications under vibration
#2Screw-nut assembly including an integrated, immediately effective securing arrangement for preventing unintentional loosening of a screwed connection formed thereby
#3Fastener assembly