Square Head Bolt
- Drive:
- Square
Buying for a business?
Sign in to apply for a business account
for account pricing, quantity discounts and net 30 terms.
How to measure: Square head bolt (inch)
298 part numbers
| Description | Size | Thread | Length | Grade | Material | Thread Series | Sold by | In stock | Part number |
|---|---|---|---|---|---|---|---|---|---|
| 3/8" Diameter (continued) | |||||||||
| Steel | 3/8-16 X 3/4 | 16 TPI | 3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-3834 | |
| Steel | 3/8-16 X 7/8 | 16 TPI | 7/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-3878 | |
| Steel | 3/8-16 X 1 | 16 TPI | 1" | Steel | USS/Coarse | Each | Out of stock | BSQ-381 | |
| Steel | 3/8-16 X 1-1/4 | 16 TPI | 1-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-34114 | |
| Steel | 3/8-16 X 1-1/2 | 16 TPI | 1-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38112 | |
| Steel | 3/8-16 X 1-3/4 | 16 TPI | 1-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38134 | |
| Steel | 3/8-16 X 2 | 16 TPI | 2" | Steel | USS/Coarse | Each | Out of stock | BSQ-382 | |
| Steel | 3/8-16 X 2-1/4 | 16 TPI | 2-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38214 | |
| Steel | 3/8-16 X 2-1/2 | 16 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38212 | |
| Steel | 3/8-16 X 2-3/4 | 16 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38234 | |
| Steel | 3/8-16 X 3 | 16 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-383 | |
| Steel | 3/8-16 X 3-1/4 | 16 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38314 | |
| Steel | 3/8-16 X 3-1/2 | 16 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38312 | |
| Steel | 3/8-16 X 3-3/4 | 16 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38334 | |
| Steel | 3/8-16 X 4 | 16 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-384 | |
| Steel | 3/8-16 X 4-1/4 | 16 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38414 | |
| Steel | 3/8-16 X 4-1/2 | 16 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38412 | |
| Steel | 3/8-16 X 4-3/4 | 16 TPI | 4-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38434 | |
| Steel | 3/8-16 X 5 | 16 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-385 | |
| Steel | 3/8-16 X 5-1/4 | 16 TPI | 5-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38514 | |
| Steel | 3/8-16 X 5-1/2 | 16 TPI | 5-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38512 | |
| Steel | 3/8-16 X 5-3/4 | 16 TPI | 5-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-38534 | |
| Steel | 3/8-16 X 6 | 16 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-386 | |
| Steel | 3/8-16 X 6-1/2 | 16 TPI | 6-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38612 | |
| Steel | 3/8-16 X 7 | 16 TPI | 7" | Steel | USS/Coarse | Each | Out of stock | BSQ-387 | |
| Steel | 3/8-16 X 7-1/2 | 16 TPI | 7-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38712 | |
| Steel | 3/8-16 X 8 | 16 TPI | 8" | Steel | USS/Coarse | Each | Out of stock | BSQ-388 | |
| Steel | 3/8-16 X 8-1/2 | 16 TPI | 8-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38812 | |
| Steel | 3/8-16 X 9 | 16 TPI | 9" | Steel | USS/Coarse | Each | Out of stock | BSQ-389 | |
| Steel | 3/8-16 X 9-1/2 | 16 TPI | 9-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-38912 | |
| Steel | 3/8-16 X 10 | 16 TPI | 10" | Steel | USS/Coarse | Each | Out of stock | BSQ-3810 | |
| 1/2" Diameter | |||||||||
| Steel | 1/2-13 X 1 | 13 TPI | 1" | Steel | USS/Coarse | Each | Out of stock | BSQ-121 | |
| Steel | 1/2-13 X 1-1/4 | 13 TPI | 1-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12114 | |
| Steel | 1/2-13 X 1-1/2 | 13 TPI | 1-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12112 | |
| Steel | 1/2-13 X 1-3/4 | 13 TPI | 1-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12134 | |
| Steel | 1/2-13 X 2 | 13 TPI | 2" | Steel | USS/Coarse | Each | Out of stock | BSQ-122 | |
| Steel | 1/2-13 X 2-1/4 | 13 TPI | 2-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12214 | |
| Brass | 1/2-13 X 2-1/2 | 13 TPI | 2-1/2" | Brass | USS/Coarse | Each | Out of stock | BSQB-12212 | |
| Steel | 1/2-13 X 2-1/2 | 13 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12212 | |
| Steel | 1/2-13 X 2-3/4 | 13 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12234 | |
| Steel | 1/2-13 X 3 | 13 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-123 | |
| Steel | 1/2-13 X 3-1/4 | 13 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12314 | |
| Steel | 1/2-13 X 3-1/2 | 13 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12312 | |
| Gr 5 | 1/2-13 X 3-1/2 | 13 TPI | 3-1/2" | Grade 5 | Steel | USS/Coarse | Each | Out of stock | BSQ5-12312 |
| Steel | 1/2-13 X 3-3/4 | 13 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12334 | |
| Steel | 1/2-13 X 4 | 13 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-124 | |
| Steel | 1/2-13 X 4-1/4 | 13 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12414 | |
| Steel | 1/2-13 X 4-1/2 | 13 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12412 | |
| Steel | 1/2-13 X 4-3/4 | 13 TPI | 4-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12434 | |
| Steel | 1/2-13 X 5 | 13 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-125 | |
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