8.8级螺栓 | 螺纹规格 | 预紧力(KN) | 有润滑表面扭矩 (KNm)
| 无润滑表面扭矩 (KNm)
|
| 精加工表面 | 一般加工表面 | 表面氧化表面 | 镀锌表面 | 干燥粗加工表面 | 精加工表面 | 一般加工表面 | 表面氧化表面 | 镀锌表面 | 干燥粗加工表面 |
| M20 | 101.5 | 0.3 | 0.4 | 0.6 | 0.5 | / | 0.3 | 0.6 | 0.7 | 0.6 | 0.8 |
| M22 | 126.0 | 0.4 | 0.5 | 0.8 | 0.7 | / | 0.5 | 0.8 | 0.9 | 0.9 | 1.1 |
| M24 | 146.4 | 0.5 | 0.7 | 1.0 | 0.9 | / | 0.6 | 1.0 | 1.2 | 1.1 | 1.4 |
| M27 | 190.9 | 0.7 | 1.0 | 1.4 | 1.3 | / | 0.9 | 1.4 | 1.7 | 1.6 | 2.0 |
| M30 | 233.0 | 1.0 | 1.4 | 2.0 | 1.8 | / | 1.2 | 1.9 | 2.3 | 2.2 | 2.7 |
| M33 | 288.3 | 1.3 | 1.9 | 2.7 | 2.4 | / | 1.6 | 2.6 | 3.2 | 2.9 | 3.7 |
| M36 | 339.5 | 1.7 | 2.4 | 3.4 | 3.1 | / | 2.1 | 3.3 | 4.1 | 3.8 | 4.8 |
| M39 | 405.6 | 2.2 | 3.1 | 4.4 | 4.0 | / | 2.7 | 4.3 | 5.3 | 4.9 | 6.3 |
| M42 | 465.9 | 2.7 | 3.8 | 5.5 | 4.9 | / | 3.3 | 5.3 | 6.6 | 6.0 | 7.7 |
| M45 | 543.3 | 3.4 | 4.8 | 6.8 | 6.2 | / | 4.1 | 6.7 | 8.2 | 7.5 | 9.6 |
| M48 | 612.8 | 4.1 | 5.8 | 8.2 | 7.4 | / | 4.9 | 8.0 | 9.9 | 9.1 | 11.5 |
| M52 | 730.9 | 5.3 | 7.4 | 10.6 | 9.6 | / | 6.4 | 10.4 | 12.8 | 11.7 | 14.9 |
| M56 | 844.5 | 6.6 | 9.3 | 13.2 | 11.9 | / | 7.9 | 12.9 | 15.9 | 14.6 | 18.5 |
| M60 | 982.6 | 8.3 | 11.6 | 16.5 | 14.9 | / | 9.9 | 16.1 | 19.8 | 18.2 | 23.1 |
| M64 | 1112.8 | 10.0 | 14.0 | 19.9 | 17.9 | / | 12.0 | 19.4 | 23.9 | 21.9 | 27.9 |
| M68 | 1270.9 | 12.1 | 16.9 | 24.2 | 21.8 | / | 14.5 | 23.6 | 29.0 | 26.6 | 33.9 |
| M72 | 1438.9 | 14.5 | 20.3 | 29.0 | 26.1 | / | 17.4 | 28.3 | 34.8 | 31.9 | 40.6 |
| M76 | 1617.8 | 17.2 | 24.1 | 34.4 | 31.0 | / | 20.7 | 33.6 | 41.3 | 37.9 | 48.2 |
| M80 | 1807.1 | 20.2 | 28.3 | 40.5 | 36.4 | / | 24.3 | 39.5 | 48.6 | 44.5 | 56.7 |
| M85 | 2058.0 | 24.5 | 34.3 | 49.0 | 44.1 | / | 29.4 | 47.8 | 58.8 | 53.9 | 68.6 |
| M90 | 2325.4 | 29.3 | 41.0 | 58.6 | 52.7 | / | 35.2 | 57.1 | 70.3 | 64.5 | 82.0 |