SAR Engineering Works
Engineering Tools/Reference

Bolt Torque Estimate

Torque estimate from bolt size, grade, and nut factor.

SAR · reference
Bolt Torque Estimate working drawing
Bolt Torque Estimate — geometry

Bolt Torque Estimate

Torque estimate from bolt size, grade, and nut factor.

referenceStable

Input console

Tuned defaults are preloaded. Edit only the dimensions you know; results refresh automatically when the inputs are valid.

% proof

Material quick select

About this calculator

Use case

Set bolt torque targets with transparent assumptions.

Preload-based torque estimate for quick planning and review.

Range notes

Estimate only. Verify with project torque procedures.

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