Q170六角头头部带孔螺栓标准
Q170六角头头部带孔螺栓标准
单位：MM
| 螺纹规格d | 牙距P | C | S | k | S | d1 | |||
| max | min | max | min | max | min | min | max | ||
| M6 | 1 | 6 | 5.7 | 4.24 | 3.76 | 10 | 9.64 | 1.6 | 1.85 |
| M8 | 1.25 | 8 | 7.64 | 5.54 | 5.06 | 13 | 12.57 | 2 | 2.25 |
| M10 | 1.5 | 10 | 9.64 | 6.69 | 6.11 | 16 | 15.57 | 2 | 2.25 |
| M12 | 1.75 | 12 | 11.57 | 7.79 | 7.21 | 18 | 17.57 | 2 | 2.5 |
| M14 | 2 | 14 | 13.57 | 9.09 | 8.51 | 21 | 20.16 | 2 | 2.5 |
| M16 | 2 | 16 | 15.57 | 10.29 | 9.71 | 24 | 23.16 | 3 | 3.25 |
| M18 | 2.5 | 18 | 17.57 | 11.85 | 11.15 | 27 | 26.16 | 3 | 3.25 |
| M20 | 2.5 | 20 | 19.48 | 12.85 | 12.15 | 30 | 29.16 | 3 | 3.25 |
| M22 | 2.5 | 22 | 21.48 | 14.35 | 13.65 | 34 | 33 | 3 | 3.25 |
| M24 | 3 | 24 | 23.48 | 15.35 | 14.65 | 36 | 35 | 3 | 3.25 |
d=M12,L=50,性能等级88,镀锌钝化的六角头头部带孔螺栓编号为Q170B1250
