螺母螺丝最小破坏扭力相关介绍
| 自 攻 螺 钉 最 小 破 坏 扭 矩 | |||||||
| 美 制 螺 纹 (单位：kgf·cm) | |||||||
| 规 格 | AB、B、BF、BP、BT | C、D、F、G、T | P | HL | |||
| 粗牙 | 细牙 | ||||||
| 2# | 4.6 | 5.8 | 6.9 | 3.5 | 3.0 | ||
| 3# | 10.4 | 10.4 | 10.4 | 6.4 | 5.0 | ||
| 4# | 15.0 | 15.0 | 15.0 | 9.0 | 7.0 | ||
| 5# | 20.8 | 20.8 | 20.8 | 14.0 | 11.0 | ||
| 6# | 27.7 | 26.5 | 26.5 | 23.0 | 20.0 | ||
| 7# | 34.6 | —— | —— | —— | —— | ||
| 8# | 45.0 | 48.4 | 48.4 | 33.0 | 29.0 | ||
| 10# | 64.6 | 64.4 | 64.6 | 58.0 | 52.0 | ||
| 12# | 101.5 | 107.2 | 107.2 | 90.0 | 82.0 | ||
| 1/4 | 163.7 | 161.4 | 161.4 | 146.0 | 135.0 | ||
| 5/16 | 334.4 | 352.9 | 352.9 | 258.0 | 240.0 | ||
| 公 制 螺 纹 (单位：kgf·cm) | |||||||
| 规 格 | A | AB、B（T） | M | P-TITE | S-TITE | C-TITE | |
| 2 | 4.3 | 4.3 | 4.0 | 3.5 | 4.4 | 3.9 | |
| 2.3 | 4.6 | 4.6 | 5.0 | 6.4 | 7.7 | 6.9 | |
| 2.6 | 8.0 | 9.0 | 9.3 | 9.0 | 12.0 | 9.9 | |
| 3 | 14.0 | 16.0 | 17.0 | 14.0 | 18.0 | 15.0 | |
| 3.5 | 23.0 | 26.0 | 26.0 | 23.0 | 28.0 | 25.0 | |
| 4 | 36.0 | 36.0 | 38.1 | 33.0 | 42.0 | 35.0 | |
| 5 | 66.0 | 72.0 | 81.0 | 58.0 | 88.0 | 66.0 | |
| 6 | 120.0 | 130.0 | 135.1 | 90.0 | 147.0 | 117.0 | |
| 高强度螺栓最小破坏扭矩（公制螺纹） | |||||||
| 级 别 规 格 | 8.8级 | 10.9级 | 12.9级 | ||||
| M2 | 3.8 | 4.6 | 5.1 | ||||
| M2.5 | 8.4 | 10.2 | 11.2 | ||||
| M3 | 15.3 | 19.4 | 21.4 | ||||
| M3.5 | 24.5 | 30.6 | 33.7 | ||||
| M4 | 36.7 | 44.9 | 50.0 | ||||
| M5 | 77.5 | 94.9 | 102.0 | ||||
| M6 | 132.6 | 163.2 | 173.4 | ||||
| M7 | 234.6 | 285.6 | 316.2 | ||||
| M8 | 336.6 | 408.0 | 448.8 | ||||
| M10 | 673.2 | 826.2 | 918.0 | ||||
