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 |
|---|---|---|---|---|---|---|---|---|---|
| 7/8" Diameter (continued) | |||||||||
| Steel | 7/8-9 X 14-1/2 | 9 TPI | 14-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-781412 | |
| Steel | 7/8-9 X 15 | 9 TPI | 15" | Steel | USS/Coarse | Each | Out of stock | BSQ-7815 | |
| Steel | 7/8-9 X 15-1/2 | 9 TPI | 15-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-781512 | |
| Steel | 7/8-9 X 16 | 9 TPI | 16" | Steel | USS/Coarse | Each | Out of stock | BSQ-7816 | |
| 1" Diameter | |||||||||
| Steel | 1-8 X 2-1/2 | 8 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1212 | |
| Steel | 1-8 X 2-3/4 | 8 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-1234 | |
| Steel | 1-8 X 3 | 8 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-13 | |
| Steel | 1-8 X 3-1/4 | 8 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-1314 | |
| Steel | 1-8 X 3-1/2 | 8 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1312 | |
| Steel | 1-8 X 3-3/4 | 8 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-1334 | |
| Steel | 1-8 X 4 | 8 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-14 | |
| Steel | 1-8 X 4-1/4 | 8 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-1414 | |
| Steel | 1-8 X 5 | 8 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-15 | |
| Steel | 1-8 X 5-1/4 | 8 TPI | 5-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-1514 | |
| Steel | 1-8 X 5-1/2 | 8 TPI | 5-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1512 | |
| Steel | 1-8 X 5-3/4 | 8 TPI | 5-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-1534 | |
| Steel Grade 5 | 1-8 X 6 | 8 TPI | 6" | Grade 5 | Steel | USS/Coarse | Each | Out of stock | BSQ5-16 |
| Steel | 1-8 X 6-1/2 | 8 TPI | 6-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1612 | |
| Steel | 1-8 X 7 | 8 TPI | 7" | Steel | USS/Coarse | Each | Out of stock | BSQ-17 | |
| Steel | 1-8 X 7-1/2 | 8 TPI | 7-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1712 | |
| Steel | 1-8 X 8 | 8 TPI | 8" | Steel | USS/Coarse | Each | Out of stock | BSQ-18 | |
| Steel | 1-8 X 8-1/2 | 8 TPI | 8-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1812 | |
| Steel | 1-8 X 9 | 8 TPI | 9" | Steel | USS/Coarse | Each | Out of stock | BSQ-19 | |
| Steel | 1-8 X 9-1/2 | 8 TPI | 9-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-1912 | |
| Steel | 1-8 X 10 | 8 TPI | 10" | Steel | USS/Coarse | Each | Out of stock | BSQ-110 | |
| Steel | 1-8 X 10-1/2 | 8 TPI | 10-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11012 | |
| Steel | 1-8 X 11 | 8 TPI | 11" | Steel | USS/Coarse | Each | Out of stock | BSQ-111 | |
| Steel | 1-8 X 11-1/2 | 8 TPI | 11-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11112 | |
| Steel | 1-8 X 12 | 8 TPI | 12" | Steel | USS/Coarse | Each | Out of stock | BSQ-112 | |
| Steel | 1-8 X 12-1/2 | 8 TPI | 12-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11212 | |
| Steel | 1-8 X 13 | 8 TPI | 13" | Steel | USS/Coarse | Each | Out of stock | BSQ-113 | |
| Steel | 1-8 X 13-1/2 | 8 TPI | 13-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11312 | |
| Steel | 1-8 X 14 | 8 TPI | 14" | Steel | USS/Coarse | Each | Out of stock | BSQ-114 | |
| Steel | 1-8 X 14-1/2 | 8 TPI | 14-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11412 | |
| Steel | 1-8 X 15 | 8 TPI | 15" | Steel | USS/Coarse | Each | Out of stock | BSQ-115 | |
| Steel | 1-8 X 15-1/2 | 8 TPI | 15-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11512 | |
| Steel | 1-8 X 16 | 8 TPI | 16" | Steel | USS/Coarse | Each | Out of stock | BSQ-116 | |
| Gr 8 | 1-8 X 16 | 8 TPI | 16" | Grade 8 | Steel | USS/Coarse | Each | Out of stock | BSQ8-116 |
| Steel | 1-8 X 16-1/2 | 8 TPI | 16-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11612 | |
| Steel | 1-8 X 17 | 8 TPI | 17" | Steel | USS/Coarse | Each | Out of stock | BSQ-117 | |
| Steel | 1-8 X 17-1/2 | 8 TPI | 17-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-11712 | |
| Steel | 1-8 X 18 | 8 TPI | 18" | Steel | USS/Coarse | Each | Out of stock | BSQ-118 | |
| 1-1/4" Diameter | |||||||||
| Steel | 1-1/4-7 X 4-1/2 | 7 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-114412 | |
| Steel | 1-1/4-7 X 5 | 7 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-1145 | |
| Steel | 1-1/4-7 X 6 | 7 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-1146 | |
| Gr 5 | 1-1/4-7 X 7 | 7 TPI | 7" | Grade 5 | Steel | USS/Coarse | Each | Out of stock | BSQ5-1147 |
| Gr 5 | 1-1/4-7 X 14 | 7 TPI | 14" | Grade 5 | Steel | USS/Coarse | Each | Out of stock | BSQ5-11414 |
| Gr 8 | 1-1/4-7 X 14 | 7 TPI | 14" | Grade 8 | Steel | USS/Coarse | Each | Out of stock | BSQ8-11414 |
Goes with
Nuts and washers in the same sizes. Choose one diameter and thread in the filters to see the exact part numbers.
Nuts
- Left Hand Hex Nut · 11 sizes
- Hex Nut · 11 sizes
- Jam Elastic Stop Nut Nte · 11 sizes
Flat washers
- Flat Washer · 1 size
- Flat Washer Thick · 1 size
Lock washers
- Hi-collar Lock Washer · 1 size
- Heavy Lock Washer · 1 size