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Self-clinching, prevailing torque locknuts from PEM

10 May 2010

PEM self-clinching prevailing torque locknuts prevent mating hardware from loosening in service due to vibration or other application-related factors. This growing family of fasteners includes a variety of types and different locking-feature styles to satisfy a wide range of applications. Their use can save time and money compared with alternative chemical locking methods or patches.

PEMHEX locknuts integrate a nylon hexagonal element to create a reusable, non-metallic prevailing torque thread lock that eliminates possible galling and any need for lubricant; TRI-DENT locknuts achieve prevailing locking torque using an indenting process that deforms the top thread; PEMFLEX locknuts feature two rugged, semicircular flexing jaws that prevent loosening of mating hardware in especially severe service applications; and miniature locknuts and floating types develop prevailing locking torque through a process that elliptically squeezes the tops of the fasteners.  All PEM clinch locknuts install permanently in thin metal sheets.

Depending on type, PEM locknuts demonstrate thread-locking performance equivalent to applicable NASM25027 specifications or meet relevant IFI or ANSI torque requirements.  Versions are available in steel, stainless steel, or aluminum.

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