螺栓扭矩表 强 螺栓规格 Nm M4 M5 M6 (M7) M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) 1.0 1.8 2.8 4.9 7.8 14.7 24.5 39.2 61.0 84.0 121.0 164.0 208.0 314.0 4.6 Ft-tb 0.7 1.3 2.1 3.6 5.8 10.8 18.1 28.9 45.0 62.0 89.2 121.0 153.4 231.6 5.6 (A4-50) Nm 1.3 2.5 3.9 6.9 9.8 19.6 33.4 54.0 82.0 114.0 163.0 221.0 282.0 422.0 Ft-tb 1.0 1.8 2.9 5.1 7.2 14.5 24.6 39.8 60.5 84.1 120.2 163.0 208.0 311.3 6.9 (A4-70) Nm 2.4 4.7 7.8 12.8 19.6 39.2 58.0 108.0 167.0 231.0 324.0 432.0 559.0 824.0 (单位:Nm、Ft-tb) Nm(牛m)=0.73756Ft-tb(英尺磅) 度 等 级 8.8 (A4-80) Nm 2.8 5.6 9.8 15.7 24.5 44.1 78.5 128.0 196.0 260.0 373.0 500.0 638.0 961.0 Ft-tb 2.1 4.1 7.2 11.6 18.1 32.5 57.9 94.4 144.6 191.8 275.1 368.8 470.6 708.8 Nm 3.9 7.8 13.7 22.6 34.3 63.8 113.0 181.0 267.0 366.0 525.0 711.0 903.0 1354.0 10.9 Ft-tb 2.9 5.8 10.1 16.7 25.3 47.1 83.3 133.5 196.9 269.9 387.2 524.4 666.0 998.7 Nm 4.9 9.3 15.7 26.5 39.2 78.5 137.0 216.0 320.0 439.0 628.0 853.0 1079.0 1638.0 12.9 Ft-tb 3.6 6.9 11.6 19.5 28.9 57.9 101.0 159.3 236.0 323.8 463.2 629.1 795.8 1208.1 Ft-tb 1.8 3.5 5.8 9.4 14.5 28.9 42.8 79.7 123.2 170.4 239.0 318.6 412.3 607.7 M30 (M33) 422.0 579.0 311.3 427.0 569.0 785.0 419.7 579.0 1109.0 1511.0 818.0 1114.5 1315.0 1795.0 969.9 1323.9 1844.0 2531.0 1360.1 1866.8 2217.0 3021.0 1635.2 2228.2