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Bolt Torque Calculator
Calculate recommended tightening torque and clamp load for fasteners
Formula (Standard Torque Equation):
• Torque (T) = K × d × P
• Where K is the friction coefficient, d is nominal diameter, and P is bolt proof load.
• Torque (T) = K × d × P
• Where K is the friction coefficient, d is nominal diameter, and P is bolt proof load.
Fastener Parameters
Calculation Results
⚠️ Bolt torque calculations are engineering estimates. Actual required torque depends on thread pitch, surface finish, thread locking compounds, and tightening tool calibration.