ウイット並目ねじ用(注1) |
呼 び (注2) |
ドリル径 |
めねじ内径 JIS
2級 |
Max. |
Min. |
※ W 1/8 ‐40 |
2.55 |
(2.591) |
(2.362) |
※ W 3/16 ‐24 |
3.70 |
(3.744) |
(3.406) |
W 1/4 ‐20 |
5.1 |
5.204 |
4.914 |
W 5/16 ‐18 |
6.6 |
6.670 |
6.340 |
W 3/8 ‐16 |
8.0 |
8.113 |
7.733 |
W 7/16 ‐14 |
9.4 |
9.508 |
9.048 |
W 1/2 ‐12 |
10.7 |
10.830 |
10.310 |
W 9/16 ‐12 |
12.3 |
12.418 |
11.898 |
W 5/8 ‐11 |
13.7 |
13.817 |
13.257 |
W 3/4 ‐10 |
16.6 |
16.778 |
16.178 |
W 7/8 ‐ 9 |
19.5 |
19.691 |
19.031 |
W 1 ‐ 8 |
22.3 |
22.514 |
21.814 |
W 1'1/8 ‐ 7 |
24.9 |
25.229 |
24.469 |
W 1'1/4 ‐ 7 |
28.0 |
28.404 |
27.644 |
W 1'3/8 ‐ 6 |
30.5 |
30.923 |
30.123 |
W 1'1/2 ‐ 6 |
33.6 |
34.098 |
33.298 |
W 1'5/8 ‐ 5 |
36.0 |
36.409 |
35.529 |
W 1'3/4 ‐ 5 |
39.1 |
39.584 |
38.704 |
W 1'7/8 ‐ 4'1/2 |
41.8 |
42.227 |
41.237 |
W 2 ‐ 4'1/2 |
45.0 |
45.402 |
44.412 |
W 2'1/4 ‐ 4 |
50.5 |
51.068 |
49.958 |
W 2'1/2 ‐ 4 |
56.5 |
57.418 |
56.308 |
W 2'3/4 ‐ 3'1/2 |
62.0 |
62.816 |
61.636 |
W 3 ‐ 3'1/2 |
68.5 |
69.166 |
67.986 |
|
|
ウイット細目ねじ用(注1) |
呼 び |
ドリル径 |
めねじ内径 JIS
2級 |
Max. |
Min. |
W 10 ‐20 |
8.6 |
8.684 |
8.564 |
W 10 ‐24 |
8.8 |
8.924 |
8.804 |
W 11 ‐20 |
9.6 |
9.694 |
9.564 |
W 12 ‐18 |
10.4 |
10.532 |
10.402 |
W 12 ‐20 |
10.6 |
10.694 |
10.564 |
W 13 ‐16 |
11.2 |
11.348 |
11.208 |
W 13 ‐20 |
11.6 |
11.694 |
11.564 |
W 14 ‐16 |
12.2 |
12.348 |
12.208 |
W 14 ‐18 |
12.4 |
12.542 |
12.402 |
W 15 ‐18 |
13.4 |
13.542 |
13.402 |
W 16 ‐14 |
14.0 |
14.086 |
13.936 |
W 16 ‐18 |
14.4 |
14.542 |
14.402 |
W 17 ‐14 |
15.0 |
15.086 |
14.936 |
W 18 ‐14 |
16.0 |
16.086 |
15.936 |
W 18 ‐16 |
16.2 |
16.348 |
16.208 |
W 20 ‐12 |
17.6 |
17.770 |
17.610 |
W 20 ‐16 |
18.2 |
18.348 |
18.208 |
W 22 ‐12 |
19.6 |
19.770 |
19.610 |
W 22 ‐14 |
20.0 |
20.096 |
19.936 |
W 24 ‐14 |
22.0 |
22.096 |
21.936 |
W 25 ‐14 |
23.0 |
23.096 |
22.936 |
W 26 ‐14 |
24.0 |
24.096 |
23.936 |
W 28 ‐12 |
25.6 |
25.770 |
25.610 |
W 30 ‐12 |
27.6 |
27.770 |
27.610 |
W 32 ‐12 |
29.6 |
29.770 |
29.610 |
W 35 ‐12 |
32.6 |
32.770 |
32.610 |
W 36 ‐12 |
33.6 |
33.770 |
33.610 |
W 38 ‐12 |
35.6 |
35.770 |
35.610 |
W 40 ‐12 |
37.6 |
37.770 |
37.610 |
|