内六角极短头螺栓加工孔尺寸表图
螺纹公称直径(d) | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 |
d′ | 2.4 | 2.9 | 3.4 | 4.5 | 5.5 | 6.6 | 9 | 11 |
dk | 4 | 5 | 6 | 8 | 9 | 10 | 13 | 16 |
D | 5 | 6 | 7 | 9 | 10 | 11 | 14.5 | 17.5 |
K | 1.1 | 1.3 | 1.3 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
H | 1.4 | 1.6 | 1.6 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |