Tool 01
Bolt Torque Calculator
Estimate the torque required to develop a target bolt stress on a flange stud. Choose the bolt size, material grade, lubrication, and target stress as a percentage of yield. Results are a reference for planning. Always confirm against gasket manufacturer load requirements and the latest revision of ASME PCC-1.
Inputs
Calculated Result
Target wrench torque using T = K x F x D
Disclaimer: This calculator returns a reference value based on the standard T = K x F x D model with published tensile stress areas and ASTM yield strengths. Actual joint makeup should follow the gasket manufacturer's published seating stress, ASME PCC-1 procedures, and any project torque tables. Use a calibrated tool and proper pattern.
For full bolt dimensions and thread reference, see our blog article on bolt dimensions explained.
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