ねじ下穴径表:管用平行ねじ用(G,PF)
単位(mm) |
呼び |
D1(内径) |
ドリル径(参考) |
Max. |
Min. |
G 1/16-28 |
6.843 |
6.561 |
6.7 |
G 1/8-28 |
8.848 |
8.566 |
8.7 |
G 1/4-19 |
11.890 |
11.445 |
11.7 |
G 3/8-19 |
15.395 |
14.950 |
15.2 |
G 1/2-14 |
19.172 |
18.631 |
19.0 |
G 5/8-14 |
21.128 |
20.587 |
21.0 |
G 3/4-14 |
24.658 |
24.117 |
24.5 |
G 7/8-14 |
28.418 |
27.877 |
28.2 |
G 1-11 |
30.931 |
30.291 |
30.6 |
G 1 1/8-11 |
35.579 |
34.939 |
35.2 |
G 1 1/4-11 |
39.592 |
38.952 |
39.2 |
G 1 1/2-11 |
45.485 |
44.845 |
45.0 |
G 1 3/4-11 |
41.428 |
50.788 |
51.0 |
G 2-11 |
57.296 |
56.656 |
57.0 |
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ねじ下穴径表(切削加工用)
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ねじ下穴径表(転造タップ用)
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計算機
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その他
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