主要BAネジ 寸法表 ネジ山角度 47.5度
No, | pitch(in) | 外径(in) | 谷径(in) | タップ下穴(mm) | バカ穴(mm) |
0 | .0394 | .2362 | .1890 | 5.1 | 6.1 |
1 | .0354 | .2087 | .1661 | 4.5 | 5.4 |
2 | .0319 | .1850 | .1468 | 4.0 | 4.8 |
3 | .0287 | .1614 | .1268 | 3.4 | 4.2 |
4 | .0260 | .1417 | .1106 | 3.0 | 3.7 |
5 | .0232 | .1260 | .0980 | 2.65 | 3.3 |
6 | .0209 | .1102 | .0850 | 2.3 | 2.9 |
7 | .0189 | .0984 | .0756 | 2.05 | 2.6 |
8 | .0169 | .0866 | .0661 | 1.8 | 2.25 |