A widely accepted method of obtaining more consistent bolt loads involves tightening the fastener to a bedding torque followed by a further specified angle.
The Torque Angle Protractor can be fitted to a 1/2" square drive torque wrench and allows this torque/angle method to be easily achieved.
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Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas:
Norbar Torque Tools. 45-47 Raglan Avenue, Edwardstown, SA 5039, Australia