Pemhex is a self-clinching prevailing torque lock-nut from Penn Engineering, with the integrated nylon insert there to resist screw loosening in service due to vibration and thermal cycling. “The ...

Jergens’ key locking thread repair inserts are now available in accordance with MS (Military Standards) and NAS (National Aerospace Standards) quality requirements. Jergens key locking technology is a ...

Inserts are classified as two general types: those held in place by external threads and those that use some means other than threads (knurls, grooves, interference fit) for their holding power.