Bolt - Carriage, Fin 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 | Fin Thickness
D | Distance Across Fin
E | Fin Depth
F | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | |
#10 | 0.199 | 0.182 | 0.469 | 0.438 | 0.114 | 0.094 | 0.098 | 0.078 | 0.395 | 0.375 | 0.088 | 0.076 |
1/4 | 0.260 | 0.237 | 0.594 | 0.563 | 0.145 | 0.125 | 0.114 | 0.094 | 0.458 | 0.438 | 0.104 | 0.094 |
5/16 | 0.324 | 0.298 | 0.719 | 0.688 | 0.176 | 0.156 | 0.145 | 0.125 | 0.551 | 0.531 | 0.135 | 0.125 |
3/8 | 0.388 | 0.360 | 0.844 | 0.782 | 0.208 | 0.188 | 0.161 | 0.141 | 0.645 | 0.625 | 0.151 | 0.141 |
7/16 | 0.452 | 0.421 | 0.969 | 0.907 | 0.239 | 0.219 | 0.192 | 0.172 | 0.739 | 0.719 | 0.182 | 0.172 |
1/2 | 0.515 | 0.483 | 1.094 | 1.032 | 0.270 | 0.250 | 0.208 | 0.188 | 0.833 | 0.813 | 0.198 | 0.188 |