DIN971-2-1987 六角细牙螺母标准
六角细牙螺母
执行标准：DIN971-2-1987
| 公称直径 d | 螺距 P | k | S | ||
| max | win | max | win | ||
| M8 | 1 | 7.5 | 7.14 | 13 | 12.73 |
| M10 | 1/1.25 | 9.3 | 8.94 | 16 | 15.73 |
| M12 | 1.25/1.5 | 12 | 11.57 | 18 | 17.73 |
| M14 | 1.5 | 14.1 | 13.4 | 21 | 20.67 |
| M16 | 1.5 | 16.4 | 15.7 | 24 | 23.67 |
| M18 | 1.5/2 | 17.6 | 16.9 | 27 | 26.16 |
| H20 | 1.5/2 | 20.3 | 19 | 30 | 29.16 |
| M22 | 1.5/2 | 21.8 | 20.5 | 34 | 33 |
| M24 | 2 | 23.9 | 22.6 | 36 | 35 |
| M27 | 2 | 26.7 | 25.4 | 41 | 40 |
| M30 | 2 | 28.6 | 27.3 | 46 | 45 |
| M33 | 2 | 32.5 | 30.9 | 50 | 49 |
| M36 | 3 | 34.7 | 33.1 | 55 | 53.8 |
| M39 | 3 | 37.5 | 35.9 | 60 | 58.8 |