Nominal Size or Basic Product
Diameter
|
E
|
F
|
G
|
H
|
R
|
LT
|
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Body Dia
|
Width Across Flats
|
Width Across Corners
|
Head Height
|
Radius of Fillet
|
Thread Length for Bolt Lengths
|
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6 in. and shorter
|
Over 6 in
|
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Max
|
Min
|
Basic
|
Max
|
Min
|
Max
|
Min
|
Basic
|
Max
|
Min
|
Max
|
Min
|
Basic
|
Basic
|
||
1/2 |
0.500 |
0.515 |
0.482 |
7/8 |
0.875 |
0.850 |
1.010 |
0.969 |
11/32 |
0.364 |
0.302 |
0.03 |
0.01 |
1.25 |
1.50 |
5/8 |
0.625 |
0.642 |
0.605 |
1-1/16 |
1.062 |
1.031 |
1.227 |
1.175 |
27/64 |
0.444 |
0.378 |
0.06 |
0.02 |
1.50 |
1.75 |
3/4 |
0.750 |
0.768 |
0.729 |
1-1/4 |
1.250 |
1.212 |
1.443 |
1.383 |
1/2 |
0.524 |
0.455 |
0.06 |
0.02 |
1.75 |
2.00 |
7/8 |
0.875 |
0.895 |
0.852 |
1-7/16 |
1.438 |
1.394 |
1.660 |
1.589 |
37/64 |
0.604 |
0.531 |
0.06 |
0.02 |
2.00 |
2.25 |
1 |
1.000 |
1.022 |
0.976 |
1-5/8 |
1.625 |
1.575 |
1.876 |
1.796 |
43/64 |
0.700 |
0.591 |
0.09 |
0.03 |
2.25 |
2.50 |
1 1/8 |
1.125 |
1.149 |
1.098 |
1-13/16 |
1.812 |
1.756 |
2.093 |
2.002 |
3/4 |
0.780 |
0.658 |
0.09 |
0.03 |
2.50 |
2.75 |
1 1/4 |
1.250 |
1.277 |
1.223 |
2 |
2.000 |
1.938 |
2.309 |
2.209 |
27/32 |
0.876 |
0.749 |
0.09 |
0.03 |
2.75 |
3.00 |
1 3/8 |
1.375 |
1.404 |
1.345 |
2-3/16 |
2.188 |
2.119 |
2.526 |
2.416 |
29/32 |
0.940 |
0.810 |
0.09 |
0.03 |
3.00 |
3.25 |
1 1/2 |
1.500 |
1.531 |
1.470 |
2-3/8 |
2.375 |
2.300 |
2.742 |
2.622 |
1 |
1.036 |
0.902 |
0.09 |
0.03 |
3.25 |
3.50 |
1 3/4 |
1.750 |
1.785 |
1.716 |
2-3/4 |
2.750 |
2.662 |
3.175 |
3.035 |
1-5/32 |
1.196 |
1.054 |
0.12 |
0.04 |
3.75 |
4.00 |
2 |
2.000 |
2.039 |
1.964 |
3-1/8 |
3.125 |
3.025 |
3.608 |
3.449 |
1-11/32 |
1.388 |
1.175 |
0.12 |
0.04 |
4.25 |
4.50 |
2 1/4 |
2.250 |
2.305 |
2.214 |
3-1/2 |
3.500 |
3.388 |
4.041 |
3.862 |
1-1/2 |
1.548 |
1.327 |
0.19 |
0.06 |
4.75 |
5.00 |
2 1/2 |
2.500 |
2.559 |
2.461 |
3-7/8 |
3.875 |
3.750 |
4.474 |
4.275 |
1-21/32 |
1.708 |
1.479 |
0.19 |
0.06 |
5.25 |
5.50 |
2 3/4 |
2.750 |
2.827 |
2.711 |
4-1/4 |
4.250 |
4.112 |
4.907 |
4.688 |
1-13/16 |
1.869 |
1.632 |
0.19 |
0.06 |
5.75 |
6.00 |
3 |
3.000 |
3.081 |
2.961 |
4-5/8 |
4.625 |
4.475 |
5.340 |
5.102 |
2 |
2.060 |
1.815 |
0.19 |
0.06 |
6.25 |
6.50 |
Tolerance on Length |
Nominal Screw Size |
Nominal Screw length |
|||||||||
Up to 1 in., incl. |
Over 1 in. to 2 21/2 in., incl. |
Over 2 1/2 in. to 4 in., incl. |
Over 4 in. to 6in., incl. |
Longer than 6 in. |
|||||||
1/4 to 3/8 |
0.02 |
-0.03 |
0.02 |
-0.04 |
0.04 |
-0.06 |
0.06 |
-0.1 |
0.1 |
-0.18 |
|
7/16 and 1/2 |
0.02 |
-0.03 |
0.04 |
-0.06 |
0.06 |
-0.08 |
0.08 |
-0.1 |
0.12 |
-0.18 |
|
9/16 to 3/4 |
0.02 |
-0.03 |
0.06 |
-0.08 |
0.08 |
-0.1 |
0.1 |
-0.1 |
0.14 |
-0.18 |
|
7/8 and 1 |
.... |
.... |
0.08 |
-0.1 |
0.1 |
-0.14 |
0.12 |
-0.16 |
0.16 |
-0.2 |
|
1 1/8 to 1 1/2 |
.... |
.... |
0.12 |
-0.12 |
0.16 |
-0.16 |
0.18 |
-0.18 |
0.22 |
-0.22 |
|
Over 1 1/2 |
.... |
.... |
0.18 |
-0.185 |
0.2 |
-0.2 |
0.22 |
-0.22 |
0.24 |
-0.24 |
|
