| Size
No. |
적용하는
나사지름 |
d |
D |
t |
잇발수 |
| 내치형 |
외치형 |
미터 |
인치 |
기준치수 |
허용차 |
기준치수 |
허용차 |
기준치수 |
허용차 |
내치형 |
외치형 |
| AW-2 |
BW-3 |
2 |
- |
2.2 |
+0.2
0 |
4.8 |
0
-0.3 |
0.3 |
±0.025 |
7 |
8 |
| 2.3 |
2.3 |
2.3 |
- |
2.5 |
5.3 |
0.3 |
7 |
8 |
| 2.5 |
2.5 |
2.5
(2.6) |
- |
2.7 |
5.7 |
0.3 |
7 |
8 |
| 3 |
3 |
3 |
- |
3.2 |
6.5 |
0
-0.4 |
0.45 |
±0.035 |
7 |
8 |
| 3.5 |
3.5 |
3.5 |
- |
3.7 |
7.5 |
0.45 |
8 |
8 |
| 4 |
4 |
4 |
- |
4.3 |
8.5 |
0.45 |
8 |
8 |
| 4.5 |
4.5 |
4.5 |
- |
4.8 |
9.5 |
0.5 |
8 |
8 |
| 5 |
5 |
5 |
- |
5.3 |
10 |
0.6 |
±0.04 |
8 |
10 |
| 6 |
6 |
6 |
- |
6.4 |
+0.3
0 |
11 |
0
-0.5 |
0.6 |
9 |
12 |
| 7 |
- |
7 |
- |
7.4 |
13 |
0.8 |
±0.05 |
10 |
- |
| 8 |
8 |
8 |
- |
8.4 |
15 |
0.8 |
9 |
12 |
| 3/8 |
3/8 |
- |
3/8 |
9.8 |
17.5 |
0.9 |
9 |
12 |
| 10 |
10 |
10 |
- |
10.5 |
+0.4
0 |
18 |
0.9 |
9 |
12 |
| 7/16 |
7/16 |
- |
7/16 |
11.4 |
19.5 |
0
-0.6 |
0.9 |
10 |
12 |
| 12 |
12 |
12 |
- |
12.5 |
21 |
1 |
±0.055 |
10 |
12 |
| 1/2 |
1/2 |
- |
1/2 |
13 |
22.5 |
1 |
10 |
12 |
| 14 |
14 |
14 |
- |
14.5 |
23 |
1 |
10 |
12 |
| 16 |
16 |
16 |
5/8 |
16.5 |
26 |
1.2 |
±0.065 |
12 |
14 |
| 18 |
18 |
18 |
- |
19 |
+0.5
0 |
29 |
1.2 |
12 |
14 |
| 3/4 |
3/4 |
- |
3/4 |
19.6 |
32 |
0
-0.8 |
1.2 |
12 |
14 |
| 20 |
20 |
20 |
- |
21 |
32 |
1.4 |
±0.07 |
12 |
14 |
| 22 |
22 |
22 |
7/8 |
23 |
35 |
1.4 |
14 |
16 |
| 24 |
24 |
24 |
- |
25 |
38 |
1.6 |
±0.08 |
14 |
16 |
| 1" |
1" |
- |
1" |
26 |
41 |
1.6 |
14 |
16 |
|
