Bỏ qua nội dung
| Loại ren | Cấp bền |
| 3.6 | 4.6 | 4.8 | 5.8 | 8.8 | 10.9 | 12.9 |
| Lực siết : N⋅m |
| M1.6 | 0.05 | 0.065 | 0.086 | 0.11 | 0.17 | 0.24 | 0.29 |
| M2 | 0.10 | 0.13 | 0.17 | 0.22 | 0.35 | 0.49 | 0.58 |
| M2.2 | 0.13 | 0.17 | 0.23 | 0.29 | 0.46 | 0.64 | 0.77 |
| M2.5 | 0.20 | 0.26 | 0.35 | 0.44 | 0.70 | 0.98 | 1.20 |
| M3 | 0.35 | 0.46 | 0.61 | 0.77 | 1.20 | 1.70 | 2.10 |
| M3.5 | 0.55 | 0.73 | 0.97 | 1.20 | 1.90 | 2.70 | 3.30 |
| M4 | 0.81 | 1.10 | 1.40 | 1.80 | 2.90 | 4.00 | 4.90 |
| M5 | 0.60 | 2.20 | 2.95 | 3.60 | 5.70 | 8.10 | 9.70 |
| M6 | 2.80 | 3.70 | 4.90 | 6.10 | 9.80 | 14.0 | 17.0 |
| M8 | – | 8.90 | 10.50 | 15.0 | 24.0 | 33.0 | 40.0 |
| Ml0 | – | 17.0 | 21.0 | 29.0 | 47.0 | 65.0 | 79.0 |
| M12 | – | 30.0 | 36.0 | 51.0 | 81.0 | 114.0 | 136.0 |
| M14 | – | 48 | 58 | 80 | 128 | 181 | 217 |
| M16 | – | 74 | 88 | 123 | 197 | 277 | 333 |
| M18 | – | 103 | 121 | 172 | 275 | 386 | 463 |
| M20 | – | 144 | 170 | 240 | 385 | 541 | 649 |
| M22 | – | 194 | 230 | 324 | 518 | 728 | 874 |
| M24 | – | 249 | 295 | 416 | 665 | 935 | 1120 |
| M27 | – | 360 | 435 | 600 | 961 | 1350 | 1620 |
| M30 | – | 492 | 590 | 819 | 1310 | 1840 | 2210 |
| M36 | – | 855 | 1030 | 1420 | 2280 | 3210 | 3850 |
| M42 | – | 1360 | – | 2270 | 3610 | 5110 | 6140 |
| M45 | – | 1690 | – | 2820 | 4510 | 6340 | 7610 |
| M48 | – | 2040 | – | 3400 | 5450 | 7660 | 9190 |
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