HOME > TYPES > BOLT TYPES
Heavy Hex Bolt
A type of hex bolt that features a larger hex head for heavy duty applications. The wider head distributes the load over a larger area when installed.
Dimensions
ASME B18.2.1
*Dimensions for structural bolts such as ASTM A325 and ASTM A490 may vary
| Thread Dia. | Hex - Across Flats | Thread Length | Thread Length > 6" |
|---|---|---|---|
| 1/2 | 7/8 | 1 1/4 | 1 1/2 |
| 5/8 | 1 1/16 | 1 1/2 | 1 3/4 |
| 3/4 | 1 1/4 | 1 3/4 | 2 |
| 7/8 | 1 7/16 | 2 | 2 1/4 |
| 1 | 1 5/8 | 2 1/4 | 2 1/2 |
| 1 1/8 | 1 13/16 | 2 1/2 | 2 3/4 |
| 1 1/4 | 2 | 2 3/4 | 3 |
| 1 3/8 | 2 3/16 | 3 | 3 1/4 |
| 1 1/2 | 2 3/8 | 3 1/2 | 3 1/2 |
| 1 3/4 | 2 3/4 | 3 3/4 | 3 3/4 |
| 2 | 3 1/8 | 4 1/4 | 4 1/2 |