How you measure torque can affect your perception of how well your fastening tools perform. Assemblers routinely test tools for accuracy and repeatability before using them on the line and after making repairs or adjustments. Many assemblers test new tools before buying them.
Assemblers measure torque during fastening to ensure process capability.
Photo courtesy ASG, Div. Of Jergens extensions, sockets, methods and access to the joint. It can also indicate when preventive maintenance is needed. Quality engineers perform torque audits on finished products prior to shipping. This is the last chance to catch loose fasteners and short-term relaxation in the joint.