TorqueSpec
Bolt torque database

Application Guides

Practical torque specification guides for specific industries and applications.

Automotive Bolt Torque Specs

Engine, suspension, brakes, and wheel torque guidelines

Wheel Lug Nut Torque Guide

Torque specs by vehicle type for safe wheel installation

Structural Steel Bolt Torque

ASTM A325/A490 for building and bridge construction

Bicycle Bolt Torque Specs

Stem, seatpost, brakes, crankset — with carbon fiber warnings

Motorcycle Bolt Torque Specs

Engine, chassis, suspension, brakes, and wheel torque

Flange Bolt Torque Specs

ASME B16.5 flanges, gasket factors, tightening sequences