![[pics:title]](/static/upload/image/20230118/1674030989791284.png)
| 螺纹规格 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | |
| P | 粗牙螺距 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 |
| 细牙螺距 | / | / | / | / | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | |
| 较细牙螺距 | / | / | / | / | / | / | / | 1 | 1.25 | / | / | |
| bm | 公称 | 3 | 3.5 | 4.5 | 6 | 8 | 10 | 12 | 15 | 18 | 21 | 24 |
| 最小值 | 2.4 | 2.9 | 3.9 | 5.4 | 7.25 | 9.25 | 11.1 | 14.1 | 17.1 | 19.95 | 22.95 | |
| 最大值 | 3.6 | 4.1 | 5.1 | 6.6 | 8.75 | 10.75 | 12.9 | 15.9 | 18.9 | 22.05 | 25.05 | |
| ds | 最大值 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| 最小值 | 1.75 | 2.25 | 2.75 | 3.7 | 4.7 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | |
| x | 最大值 | 1 | 1.125 | 1.25 | 1.75 | 2 | 2.5 | 3.125 | 3.75 | 4.375 | 5 | 5 |
| 千件钢制重≈kg | - | - | - | - | - | - | - | - | - | - | - | |
| 螺纹长度b | - | - | - | - | - | - | - | - | - | - | - | |
| 螺纹规格 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | M48 | |
| P | 粗牙螺距 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 5 |
| 细牙螺距 | 1.5 | 1.5 | 1.5 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | |
| 较细牙螺距 | / | 2 | 2 | / | / | / | / | / | / | / | / | |
| bm | 公称 | 27 | 30 | 33 | 36 | 40 | 45 | 49 | 54 | 58 | 63 | 72 |
| 最小值 | 25.95 | 28.95 | 32.75 | 34.75 | 38.75 | 43.75 | 47.75 | 53.5 | 56.5 | 61.5 | 70.5 | |
| 最大值 | 28.05 | 31.05 | 34.25 | 37.25 | 41.25 | 46.25 | 50.25 | 55.5 | 59.5 | 64.5 | 73.5 | |
| ds | 最大值 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | 48 |
| 最小值 | 17.57 | 19.48 | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | 41.38 | 47.38 | |
| x | 最大值 | 6.25 | 6.25 | 6.25 | 7.5 | 7.5 | 8.75 | 8.75 | 10 | 10 | 11.25 | 12.5 |
| 千件钢制重≈kg | - | - | - | - | - | - | - | - | - | - | - | |
| 螺纹长度b | - | - | - | - | - | - | - | - | - | - | - | |
