|
管用ねじ(PF・G)
|
|
_ |
呼 び |
ドリル径 |
A・B級めねじ内径 |
|
D1 max |
D1 min |
_ |
|
1/16 -28 |
6.70 |
6.843 |
6.561 |
|
|
1/8 -28 |
8.70 |
8.848 |
8.566 |
|
|
1/4 -19 |
11.70 |
11.890 |
11.445 |
|
|
3/8 -19 |
15.2 |
15.395 |
14.950 |
|
|
1/2 -14 |
19.0 |
19.172 |
18.631 |
|
|
5/8 -14 |
21.0 |
21.128 |
20.587 |
|
|
3/4 -14 |
24.5 |
24.658 |
24.117 |
|
|
7/8 -14 |
28.2 |
28.418 |
27.877 |
|
|
1' -11 |
30.5 |
30.931 |
30.291 |
|
|
1'1/8 -11 |
35.2 |
35.579 |
34.939 |
|
|
1'1/4 -11 |
39.2 |
39.592 |
38.952 |
|
|
1'1/2 -11 |
45.0 |
45.485 |
44.845 |
|
|
1'3/4 -11 |
51.0 |
51.428 |
50.788 |
|
|
2 -11 |
57.0 |
57.296 |
56.656 |
|
|