Square Head Bolt
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How to measure: Square head bolt (inch)
75 part numbers match your filters
| Description | Size | Thread | Length | Grade | Material | Thread Series | Sold by | In stock | Part number | Price |
|---|---|---|---|---|---|---|---|---|---|---|
| 5/16" Diameter | ||||||||||
| Square Head Bolt Steel | 5/16-18 X 1/2 | 18 TPI | 1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-51612 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 5/8 | 18 TPI | 5/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-51658 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 3/4 | 18 TPI | 3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-51634 | $0.22 / each | |
| Square Head Bolt Steel | 5/16-18 X 7/8 | 18 TPI | 7/8" | Steel | USS/Coarse | Each | Out of stock | BSQ-51678 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 1 | 18 TPI | 1" | Steel | USS/Coarse | Each | Out of stock | BSQ-5161 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 1-1/4 | 18 TPI | 1-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516114 | $0.27 / each | |
| Square Head Bolt Steel | 5/16-18 X 1-1/2 | 18 TPI | 1-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516112 | $0.30 / each | |
| Square Head Bolt Steel | 5/16-18 X 1-3/4 | 18 TPI | 1-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516134 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 2 | 18 TPI | 2" | Steel | USS/Coarse | Each | Out of stock | BSQ-5162 | $0.37 / each | |
| Square Head Bolt Steel | 5/16-18 X 2-1/4 | 18 TPI | 2-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516214 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 2-1/2 | 18 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516212 | $0.42 / each | |
| Square Head Bolt Steel | 5/16-18 X 2-3/4 | 18 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516234 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 3 | 18 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-5163 | $0.50 / each | |
| Square Head Bolt Steel | 5/16-18 X 3-1/4 | 18 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516314 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 3-1/2 | 18 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516312 | $0.67 / each | |
| Square Head Bolt Steel | 5/16-18 X 3-3/4 | 18 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516334 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 4 | 18 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-5164 | $0.74 / each | |
| Square Head Bolt Steel | 5/16-18 X 4-1/4 | 18 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516414 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 4-1/2 | 18 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516412 | $0.92 / each | |
| Square Head Bolt Steel | 5/16-18 X 4-3/4 | 18 TPI | 4-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516434 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 5 | 18 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-5165 | $0.99 / each | |
| Square Head Bolt Steel | 5/16-18 X 5-1/4 | 18 TPI | 5-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516514 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 5-1/2 | 18 TPI | 5-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-516512 | $1.05 / each | |
| Square Head Bolt Steel | 5/16-18 X 5-3/4 | 18 TPI | 5-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-516534 | Price on request | |
| Square Head Bolt Steel | 5/16-18 X 6 | 18 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-5166 | $1.12 / each | |
| 1/2" Diameter | ||||||||||
| Square Head Bolt Steel | 1/2-13 X 1 | 13 TPI | 1" | Steel | USS/Coarse | Each | Out of stock | BSQ-121 | $0.55 / each | |
| Square Head Bolt Steel | 1/2-13 X 1-1/4 | 13 TPI | 1-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12114 | $0.61 / each | |
| Square Head Bolt Steel | 1/2-13 X 1-1/2 | 13 TPI | 1-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12112 | $0.67 / each | |
| Square Head Bolt Steel | 1/2-13 X 1-3/4 | 13 TPI | 1-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12134 | $0.75 / each | |
| Square Head Bolt Steel | 1/2-13 X 2 | 13 TPI | 2" | Steel | USS/Coarse | Each | Out of stock | BSQ-122 | $0.79 / each | |
| Square Head Bolt Steel | 1/2-13 X 2-1/4 | 13 TPI | 2-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12214 | $0.91 / each | |
| Square Head Bolt Brass | 1/2-13 X 2-1/2 | 13 TPI | 2-1/2" | Brass | USS/Coarse | Each | Out of stock | BSQB-12212 | $44.27 / each | |
| Square Head Bolt Steel | 1/2-13 X 2-1/2 | 13 TPI | 2-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12212 | $0.93 / each | |
| Square Head Bolt Steel | 1/2-13 X 2-3/4 | 13 TPI | 2-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12234 | $1.07 / each | |
| Square Head Bolt Steel | 1/2-13 X 3 | 13 TPI | 3" | Steel | USS/Coarse | Each | Out of stock | BSQ-123 | $1.09 / each | |
| Square Head Bolt Steel | 1/2-13 X 3-1/4 | 13 TPI | 3-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12314 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 3-1/2 | 13 TPI | 3-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12312 | $1.08 / each | |
| Square Head Bolt 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 | $5.51 / each |
| Square Head Bolt Steel | 1/2-13 X 3-3/4 | 13 TPI | 3-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12334 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 4 | 13 TPI | 4" | Steel | USS/Coarse | Each | Out of stock | BSQ-124 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 4-1/4 | 13 TPI | 4-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12414 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 4-1/2 | 13 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12412 | $1.59 / each | |
| Square Head Bolt Steel | 1/2-13 X 4-3/4 | 13 TPI | 4-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12434 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 5 | 13 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-125 | $1.75 / each | |
| Square Head Bolt Steel | 1/2-13 X 5-1/4 | 13 TPI | 5-1/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12514 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 5-1/2 | 13 TPI | 5-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12512 | $1.90 / each | |
| Square Head Bolt Steel | 1/2-13 X 5-3/4 | 13 TPI | 5-3/4" | Steel | USS/Coarse | Each | Out of stock | BSQ-12534 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 6 | 13 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-126 | $2.09 / each | |
| Square Head Bolt Steel | 1/2-13 X 6-1/2 | 13 TPI | 6-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12612 | $3.11 / each | |
| Square Head Bolt Steel | 1/2-13 X 7 | 13 TPI | 7" | Steel | USS/Coarse | Each | Out of stock | BSQ-127 | $3.32 / each | |
| Square Head Bolt Steel | 1/2-13 X 7-1/2 | 13 TPI | 7-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12712 | $3.52 / each | |
| Square Head Bolt Steel | 1/2-13 X 8 | 13 TPI | 8" | Steel | USS/Coarse | Each | Out of stock | BSQ-128 | $3.71 / each | |
| Square Head Bolt Steel | 1/2-13 X 8-1/2 | 13 TPI | 8-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12812 | $3.97 / each | |
| Square Head Bolt Steel | 1/2-13 X 9 | 13 TPI | 9" | Steel | USS/Coarse | Each | Out of stock | BSQ-129 | $4.06 / each | |
| Square Head Bolt Steel | 1/2-13 X 9-1/2 | 13 TPI | 9-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-12912 | $4.25 / each | |
| Square Head Bolt Steel | 1/2-13 X 10 | 13 TPI | 10" | Steel | USS/Coarse | Each | Out of stock | BSQ-1210 | $4.38 / each | |
| Square Head Bolt Steel | 1/2-13 X 10-1/2 | 13 TPI | 10-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-121012 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 11 | 13 TPI | 11" | Steel | USS/Coarse | Each | Out of stock | BSQ-1211 | $4.84 / each | |
| Square Head Bolt Steel | 1/2-13 X 11-1/2 | 13 TPI | 11-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-121112 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 12 | 13 TPI | 12" | Steel | USS/Coarse | Each | Out of stock | BSQ-1212+ | $5.17 / each | |
| Square Head Bolt Steel | 1/2-13 X 12-1/2 | 13 TPI | 12-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-121212 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 13 | 13 TPI | 13" | Steel | USS/Coarse | Each | Out of stock | BSQ-1213 | $5.53 / each | |
| Square Head Bolt Steel | 1/2-13 X 13-1/2 | 13 TPI | 13-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-121312 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 14 | 13 TPI | 14" | Steel | USS/Coarse | Each | Out of stock | BSQ-1214 | $5.90 / each | |
| Square Head Bolt Steel | 1/2-13 X 14-1/2 | 13 TPI | 14-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-121412 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 15 | 13 TPI | 15" | Steel | USS/Coarse | Each | Out of stock | BSQ-1215 | $6.28 / each | |
| Square Head Bolt Steel | 1/2-13 X 15-1/2 | 13 TPI | 15-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-121512 | Price on request | |
| Square Head Bolt Steel | 1/2-13 X 16 | 13 TPI | 16" | Steel | USS/Coarse | Each | Out of stock | BSQ-1216 | $6.67 / each | |
| 5/8" Diameter | ||||||||||
| Square Head Bolt Steel | 5/8-18 X 3 | 18 TPI | 3" | Steel | SAE/Fine | Each | Out of stock | BSQ-F583 | $23.71 / each | |
| 1-1/4" Diameter | ||||||||||
| Square Head Bolt Steel | 1-1/4-7 X 4-1/2 | 7 TPI | 4-1/2" | Steel | USS/Coarse | Each | Out of stock | BSQ-114412 | Price on request | |
| Square Head Bolt Steel | 1-1/4-7 X 5 | 7 TPI | 5" | Steel | USS/Coarse | Each | Out of stock | BSQ-1145 | Price on request | |
| Square Head Bolt Steel | 1-1/4-7 X 6 | 7 TPI | 6" | Steel | USS/Coarse | Each | Out of stock | BSQ-1146 | Price on request | |
| Square Head Bolt Gr 5 | 1-1/4-7 X 7 | 7 TPI | 7" | Grade 5 | Steel | USS/Coarse | Each | Out of stock | BSQ5-1147 | $36.05 / each |
| Square Head Bolt Gr 5 | 1-1/4-7 X 14 | 7 TPI | 14" | Grade 5 | Steel | USS/Coarse | Each | Out of stock | BSQ5-11414 | $42.73 / each |
| Square Head Bolt Gr 8 | 1-1/4-7 X 14 | 7 TPI | 14" | Grade 8 | Steel | USS/Coarse | Each | Out of stock | BSQ8-11414 | $65.38 / each |