The solution to bolt tightening problems!

Background

Deciding whether a particular tightening torque is optimal is often problematic. The BOLTCALC program determines both tensile stress due to the elongation of the fastener, and the torsional stress due to the applied torque. It accounts for the frictional effects in the thread and between the nut face and clamped surface. Account can also be made for the effects of a reduced shank diameter (smaller than the thread size) and a prevailing torque. (The prevailing torque is the torque required to run a nut down a thread before engagement with the joint surface.)

Solve Bolt Tightening Problems

Determination of the Tightening Torque
The program will determine the tightening torque and whether that torque will provide sufficient bolt preload for the application.

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