A
①
|
inch |
UNC-2A |
Metric |
ISO ② |
B
|
inch |
max |
min |
mm |
max |
min |
Width Across Corners, inch, max
|
Width Across Corners, mm, max
|
C
|
inch |
max |
min |
mm |
max |
min |
R
|
inch |
max |
mm |
max |
W
|
inch |
max |
mm |
max |
|
/ |
/ |
0.250-20 |
0.312-18 |
0.375-16 |
0.500-13 |
0.625-11 |
0.750-10 |
1.000-8 |
1.250-7 |
1.500-6 |
/ |
/ |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M16 |
M20 |
M24 |
M30 |
M36 |
M42 |
M48 |
/ |
/ |
0.469 |
0.562 |
0.688 |
0.875 |
1.125 |
1.312 |
1.688 |
2.062 |
2.500 |
/ |
/ |
/ |
/ |
0.438 |
0.531 |
0.656 |
0.844 |
1.094 |
1.281 |
1.656 |
2.031 |
2.469 |
/ |
/ |
9 |
10 |
13 |
15 |
18 |
22 |
28 |
34 |
43 |
53 |
64 |
75 |
85 |
8.5 |
9.5 |
12 |
14 |
17 |
21 |
27 |
33 |
42 |
52 |
63 |
74 |
84 |
/ |
/ |
0.663 |
0.796 |
0.972 |
1.238 |
1.591 |
1.856 |
2.387 |
2.917 |
3.536 |
/ |
/ |
12.7 |
14.1 |
18.4 |
21.2 |
25.5 |
31.1 |
39.6 |
48.1 |
60.8 |
75 |
90.5 |
106.1 |
120.2 |
/ |
/ |
0.156 |
0.188 |
0.250 |
0.312 |
0.406 |
0.531 |
0.688 |
0.938 |
1.188 |
/ |
/ |
/ |
/ |
0.141 |
0.172 |
0.234 |
0.297 |
0.391 |
0.500 |
0.656 |
0.906 |
1.156 |
/ |
/ |
2.5 |
4 |
6 |
6 |
7 |
8 |
10 |
14 |
18 |
23 |
28 |
32 |
36 |
2.1 |
3.6 |
5.6 |
5.6 |
6.6 |
7.6 |
9.6 |
13.2 |
17.2 |
22.2 |
27.2 |
30.5 |
34.5 |
/ |
/ |
0.02 |
0.02 |
0.02 |
0.02 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
/ |
/ |
0.3 |
0.3 |
0.5 |
0.5 |
0.5 |
0.5 |
0.8 |
0.8 |
0.8 |
0.8 |
0.8 |
1 |
1 |
/ |
/ |
0.03 |
0.03 |
0.03 |
0.06 |
0.06 |
0.06 |
0.06 |
0.06 |
0.06 |
/ |
/ |
0.5 |
0.5 |
0.8 |
0.8 |
0.8 |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
2 |
2 |
|