|
Hex Cap Screw Dimensions Table
|
Hex Cap Screw Dimensions s |
Basic Product Diameter |
Body Diameter |
Width Across Flats |
Width Across Corners |
Head Height |
Thread Length |
Thread Length |
|
Max |
Min |
|
Max |
Min |
|
Up to 6in |
Over 6 in |
1/4 |
0.25 |
0.245 |
7/16 |
0.505 |
0.488 |
5/32 |
0.75 |
1 |
5/16 |
0.3125 |
0.3065 |
1/2 |
0.577 |
0.557 |
13/64 |
0.875 |
1.125 |
3/8 |
0.375 |
0.369 |
9/16 |
0.65 |
0.628 |
15/64 |
1 |
1.25 |
7/16 |
0.4375 |
0.4305 |
5/8 |
0.722 |
0.698 |
9/32 |
1.125 |
1.375 |
1/2 |
0.5 |
0.493 |
3/4 |
0.866 |
0.84 |
5/16 |
1.25 |
1.5 |
9/16 |
0.5625 |
0.5545 |
13/16 |
0.938 |
0.91 |
23/64 |
1.375 |
1.625 |
5/8 |
0.625 |
0.617 |
15/16 |
1.083 |
1.051 |
25/64 |
1.5 |
1.75 |
3/4 |
0.75 |
0.741 |
1-1/8 |
1.299 |
1.254 |
15/32 |
1.75 |
2 |
7/8 |
0.875 |
0.866 |
1-5/16 |
1.516 |
1.465 |
35/64 |
2 |
2.25 |
1 |
1 |
0.99 |
1-1/2 |
1.732 |
1.675 |
39/64 |
2.25 |
2.5 |
1-1/8 |
1.125 |
1.114 |
1-11/16 |
1.949 |
1.859 |
11/16 |
2.5 |
2.75 |
1-1/4 |
1.25 |
1.239 |
1-7/8 |
2.165 |
2.066 |
25/32 |
2.75 |
3 |
1-3/8 |
1.375 |
1.363 |
2-1/16 |
2.382 |
2.273 |
27/32 |
3 |
3.25 |
1-1/2 |
1.5 |
1.488 |
2-1/4 |
2.598 |
2.48 |
1-5/16 |
3.25 |
3.5 |
1-3/4 |
1.75 |
1.738 |
2-5/8 |
3.031 |
2.893 |
1-3/32 |
3.75 |
4 |
2 |
2 |
1.988 |
3 |
3.464 |
3.306 |
1-7/32 |
4.25 |
4.5 |
2-1/4 |
2.25 |
2.238 |
3-3/8 |
3.897 |
3.719 |
1-3/8 |
|
5 |
2-1/2 |
2.5 |
2.488 |
3-3/4 |
4.33 |
4.133 |
1-17/32 |
|
5.5 |
2-3/4 |
2.75 |
2.738 |
4-1/8 |
4.763 |
4.546 |
1-11/16 |
|
6 |
3 |
3 |
2.988 |
4-1/2 |
5.196 |
4.959 |
1-7/8 |
|
6.5 |
| (standards set by American Society of Mechanical Engineering)
|
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