Bolt - Carriage, Short Neck, ANSI (in)
-
ASME Standards
-
ASME B18.5
-
-
Length (L) of a carriage bolt is measured from underside of head to the end of the bolt.
Bolt Size |
Body Diameter C |
Head Diameter A |
Head Height B |
Square Width D |
Square Depth E | |||||
---|---|---|---|---|---|---|---|---|---|---|
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Min | |
1/4 |
0.260 |
0.213 |
0.594 |
0.563 |
0.145 |
0.125 |
0.260 |
0.245 |
0.124 |
0.093 |
5/16 |
0.324 |
0.272 |
0.719 |
0.688 |
0.176 |
0.156 |
0.324 |
0.307 |
0.124 |
0.093 |
3/8 |
0.388 |
0.329 |
0.844 |
0.782 |
0.208 |
0.188 |
0.388 |
0.368 |
0.156 |
0.125 |
7/16 |
0.452 |
0.385 |
0.969 |
0.907 |
0.239 |
0.219 |
0.452 |
0.431 |
0.156 |
0.125 |
1/2 |
0.515 |
0.444 |
1.094 |
1.032 |
0.270 |
0.250 |
0.515 |
0.492 |
0.156 |
0.125 |
5/8 |
0.642 |
0.559 |
1.344 |
1.219 |
0.344 |
0.313 |
0.642 |
0.616 |
0.218 |
0.187 |
3/4 |
0.768 |
0.678 |
1.594 |
1.469 |
0.406 |
0.375 |
0.768 |
0.741 |
0.218 |
0.187 |