From bolt specification, strength grade and friction coefficient, computes fastening torque, preload and stress.
螺栓擰緊扭矩計算器根據螺栓規格(M6-M30)、強度等級(4.8-12.9級)和摩擦係數,計算擰緊扭矩、預緊力和實際應力,為螺栓裝配提供準確的扭矩控制參考。