Unlike thread locking forms, self locking fasteners with a preload locking internal thread form prevent high logistical, service and warranty costs (PRWEB) October 17, 2007 -- While threaded fastener ...

PEM self-locking fasteners with a nylon insert provide a reusable, nonmetallic prevailing torque thread lock that prevents threaded mating hardware from loosening due to vibration or other application ...

In my previous column, I discussed double-shear testing of a single fastener (see “Editor's Picks,” at right). But fasteners also can be subjected to single-shear loading — our subject this time — and ...