![[pics:title]](/static/upload/image/20230118/1674028330436696.png)
| 螺纹规格 | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | ||||
| P | 螺距 | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | |||
| a | 最大值 | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | |||
| dc | 最大值 | 4.5 | 6.4 | 7.5 | 8.5 | 10 | 11.2 | 12.8 | 16.8 | 21 | |||
| 最小值 | 4.1 | 5.9 | 6.9 | 7.8 | 9.3 | 10.3 | 11.8 | 15.5 | 19.3 | ||||
| c | 最小值 | 0.3 | 0.4 | 0.5 | 0.6 | 0.6 | 0.8 | 1 | 1.2 | 1.4 | |||
| s | 最大值=公称 | 3 | 4 | 5 | 5.5 | 7 | 7 | 8 | 10 | 13 | |||
| 最小值 | 2.86 | 3.82 | 4.82 | 5.32 | 6.78 | 6.78 | 7.78 | 9.78 | 12.73 | ||||
| e | 最小值 | 3.16 | 4.27 | 5.36 | 5.92 | 7.55 | 7.55 | 8.66 | 10.89 | 14.16 | |||
| k | 最大值 | 2.2 | 3.2 | 3.8 | 4.3 | 5.2 | 6 | 6.7 | 8.6 | 10.7 | |||
| y | 参考 | C型 | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 | ||
| F型 | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | ||||
| R型 | - | - | 2.7 | 3.2 | 3.6 | 4.3 | 5 | 6.3 | - | ||||
