Calculators
For the cases a chart does not cover: a different coating, a different preload target, or the drill you actually have in the drawer.
Bolt torque calculator
Metric and SAE bolts with your own nut factor and preload target. Shows torque in N·m, ft-lb and in-lb plus clamp load.
Open calculatorThread percentage calculator
The thread engagement any drill leaves, metric or inch, and the drill you need for a target percentage.
Open calculator