Threaded fastener with determinable clamp load
Tightening device for threaded connectors
Torque indicator device and method for use with a threaded faste
Torque verification apparatus and method
Trailer ball fastening assembly
Utility lug nut tension indicator
Utility lug nut tension indicator
Visually indicated preloaded bolt
Washer having stressed and unstressed strain gauges
Water skier's safety system
Wheel nut assemblies
Wheel nut assembly