ABSTRACT

Torque control with hand wrench Small torque air tool Click type torque wrench Torque wrench plus multiplier Turn-of-nut (structural steel) Computer-controlled air tool to yield point Rockwell International's LRM (torque-angle) system Strain gaged load washers Strain gaged bolts Swaged lockbolts Air-powered impact wrench Hydraulic tensioners with vernier gage readout Operator feel Bolt stretch (micrometers) Ultrasonic control