Square Head Bolt
- Drive:
- Square
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How to measure: Square head bolt (inch)
298 part numbers
| Description | Size | Thread | Length | Grade | Material | Thread Series | Sold by | In stock | Part number |
|---|---|---|---|---|---|---|---|---|---|
| 1/4" Diameter | |||||||||
| Steel | 1/4-20 X 5/8 | 20 TPI | 5/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-1458 | |
| Steel | 1/4-20 X 7/8 | 20 TPI | 7/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-1478 | |
| Steel | 1/4-20 X 1 | 20 TPI | 1" | Steel | USS/Coarse | Each | Out of stock | BSQ-141 | |
| Steel | 1/4-20 X 1-1/4 | 20 TPI | 1-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14114 | |
| Steel | 1/4-20 X 1-1/2 | 20 TPI | 1-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-14112 | |
| Steel | 1/4-20 X 1-3/4 | 20 TPI | 1-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14134 | |
| Steel | 1/4-20 X 2 | 20 TPI | 2" | Steel | USS/Coarse | Each | Out of stock | BSQ-142 | |
| Steel | 1/4-20 X 2-1/4 | 20 TPI | 2-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14214 | |
| Steel | 1/4-20 X 2-1/2 | 20 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-14212 | |
| Steel | 1/4-20 X 2-3/4 | 20 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14234 | |
| Steel | 1/4-20 X 3 | 20 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-143 | |
| Steel | 1/4-20 X 3-1/4 | 20 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14314 | |
| Steel | 1/4-20 X 3-1/2 | 20 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-14312 | |
| Steel | 1/4-20 X 3-3/4 | 20 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14334 | |
| Steel | 1/4-20 X 4 | 20 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-144 | |
| Steel | 1/4-20 X 4-1/4 | 20 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14414 | |
| Steel | 1/4-20 X 4-1/2 | 20 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-14412 | |
| Steel | 1/4-20 X 4-3/4 | 20 TPI | 4-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14434 | |
| Steel | 1/4-20 X 5 | 20 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-145 | |
| Steel | 1/4-20 X 5-1/4 | 20 TPI | 5-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14514 | |
| Steel | 1/4-20 X 5-1/2 | 20 TPI | 5-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-14512 | |
| Steel | 1/4-20 X 5-3/4 | 20 TPI | 5-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14534 | |
| Steel | 1/4-20 X 6 | 20 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-146 | |
| 5/16" Diameter | |||||||||
| Steel | 5/16-18 X 1/2 | 18 TPI | 1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-51612 | |
| Steel | 5/16-18 X 5/8 | 18 TPI | 5/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-51658 | |
| Steel | 5/16-18 X 3/4 | 18 TPI | 3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-51634 | |
| Steel | 5/16-18 X 7/8 | 18 TPI | 7/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-51678 | |
| Steel | 5/16-18 X 1 | 18 TPI | 1" | Steel | USS/Coarse | Each | Out of stock | BSQ-5161 | |
| Steel | 5/16-18 X 1-1/4 | 18 TPI | 1-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516114 | |
| Steel | 5/16-18 X 1-1/2 | 18 TPI | 1-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516112 | |
| Steel | 5/16-18 X 1-3/4 | 18 TPI | 1-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516134 | |
| Steel | 5/16-18 X 2 | 18 TPI | 2" | Steel | USS/Coarse | Each | Out of stock | BSQ-5162 | |
| Steel | 5/16-18 X 2-1/4 | 18 TPI | 2-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516214 | |
| Steel | 5/16-18 X 2-1/2 | 18 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516212 | |
| Steel | 5/16-18 X 2-3/4 | 18 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516234 | |
| Steel | 5/16-18 X 3 | 18 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-5163 | |
| Steel | 5/16-18 X 3-1/4 | 18 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516314 | |
| Steel | 5/16-18 X 3-1/2 | 18 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516312 | |
| Steel | 5/16-18 X 3-3/4 | 18 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516334 | |
| Steel | 5/16-18 X 4 | 18 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-5164 | |
| Steel | 5/16-18 X 4-1/4 | 18 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516414 | |
| Steel | 5/16-18 X 4-1/2 | 18 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516412 | |
| Steel | 5/16-18 X 4-3/4 | 18 TPI | 4-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516434 | |
| Steel | 5/16-18 X 5 | 18 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-5165 | |
| Steel | 5/16-18 X 5-1/4 | 18 TPI | 5-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516514 | |
| Steel | 5/16-18 X 5-1/2 | 18 TPI | 5-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516512 | |
| Steel | 5/16-18 X 5-3/4 | 18 TPI | 5-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516534 | |
| Steel | 5/16-18 X 6 | 18 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-5166 | |
| 3/8" Diameter | |||||||||
| Steel | 3/8-16 X 1/2 | 16 TPI | 1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-3812 | |
| Steel | 3/8-16 X 5/8 | 16 TPI | 5/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-3858 | |
Goes with
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