|
Hex Bolt Dimensions Table
|
Hex Bolt Dimensions s |
Basic Product Diameter |
Full-Size 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 |
.26 |
.237 |
7/16 |
.505 |
0.484 |
11/64 |
0.75 |
1.00 |
5/16 |
.324 |
.298 |
1/2 |
.577 |
0.552 |
7/32 |
0.88 |
1.13 |
3/8 |
.388 |
.360 |
9/16 |
.650 |
0.62 |
1/4 |
1.00 |
1.25 |
7/16 |
.452 |
.421 |
5/8 |
.722 |
0.687 |
19/64 |
1.13 |
1.38 |
1/2 |
.515 |
.482 |
3/4 |
.866 |
0.826 |
11/32 |
1.25 |
1.50 |
5/8 |
.642 |
.605 |
15/16 |
1.083 |
1.033 |
27/64 |
1.50 |
1.75 |
3/4 |
.768 |
.729 |
1-1/8 |
1.299 |
1.24 |
1/2 |
1.75 |
2.00 |
7/8 |
.895 |
.852 |
1-5/16 |
1.516 |
1.447 |
37/64 |
2.00 |
2.25 |
1 |
1.022 |
.976 |
1-1/2 |
1.732 |
1.653 |
43/64 |
2.25 |
2.50 |
1-1/8 |
1.149 |
1.098 |
1-11/16 |
1.949 |
1.859 |
3/4 |
2.50 |
2.75 |
1-1/4 |
1.277 |
1.223 |
1-7/8 |
2.165 |
2.066 |
27/32 |
2.75 |
3.00 |
1-3/8 |
1.404 |
1.345 |
2-1/16 |
2.382 |
2.273 |
29/32 |
3.00 |
3.25 |
1-1/2 |
1.531 |
1.47 |
2-1/4 |
2.598 |
2.48 |
1 |
3.25 |
3.50 |
1-3/4 |
1.785 |
1.716 |
2-5/8 |
3.031 |
2.893 |
1-5/32 |
3.75 |
4.00 |
2 |
2.039 |
1.964 |
3 |
3.464 |
3.306 |
1-11/32 |
4.25 |
4.50 |
2-1/4 |
2.305 |
2.214 |
3-3/8 |
3.897 |
3.719 |
1-1/2 |
4.75 |
5.00 |
2-1/2 |
2.559 |
2.461 |
3-3/4 |
4.33 |
4.133 |
1-21/32 |
5.25 |
5.5 |
2-3/4 |
2.827 |
2.711 |
4-1/8 |
4.763 |
4.546 |
1-13/16 |
5.75 |
6.00 |
3 |
3.081 |
2.961 |
4-1/2 |
5.196 |
4.959 |
2 |
6.25 |
6.50 |
3-1/4 |
3.335 |
3.21 |
4-7/8 |
5.629 |
5.372 |
2-3/16 |
6.75 |
7.00 |
3-1/2 |
3.589 |
3.461 |
5-1/4 |
6.062 |
5.786 |
2-5/16 |
7.25 |
7.50 |
3-3/4 |
3.858 |
3.726 |
5-5/8 |
6.495 |
6.198 |
2-1/2 |
7.75 |
8.00 |
4 |
4.111 |
3.975 |
6 |
6.928 |
6.612 |
2-11/16 |
8.25 |
8.50 |
| |
| (standards set by American Society of Mechanical Engineering) |
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