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Square Head Bolts

Collection: Square Head Bolts

Square Head Bolts have square-shaped external wrenching heads, which offer a large bearing area for positive gripping. These are best used in tight or dark spaces where a machinist or fabricator must tighten the bolt blind.

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223 products

5/8"-11x4" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x4" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $4.44
Sale price From $4.44 Regular price
5/8"-11x4" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x4" Square Head Bolts Grade A307 Zinc Clear

Regular price From $5.18
Sale price From $5.18 Regular price
5/8"-11x4-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x4-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $7.20
Sale price From $7.20 Regular price
5/8"-11x4-1/2" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x4-1/2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $5.59
Sale price From $5.59 Regular price
5/8"-11x5" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x5" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $7.57
Sale price From $7.57 Regular price
5/8"-11x5" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x5" Square Head Bolts Grade A307 Zinc Clear

Regular price From $6.49
Sale price From $6.49 Regular price
5/8"-11x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $8.09
Sale price From $8.09 Regular price
5/8"-11x5-1/2" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x5-1/2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $9.06
Sale price From $9.06 Regular price
5/8"-11x6" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x6" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $6.77
Sale price From $6.77 Regular price
5/8"-11x6" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x6" Square Head Bolts Grade A307 Zinc Clear

Regular price From $7.39
Sale price From $7.39 Regular price
5/8"-11x7" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x7" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $10.88
Sale price From $10.88 Regular price
5/8"-11x7" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x7" Square Head Bolts Grade A307 Zinc Clear

Regular price From $8.71
Sale price From $8.71 Regular price
5/8"-11x8" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x8" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $10.16
Sale price From $10.16 Regular price
5/8"-11x8" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x8" Square Head Bolts Grade A307 Zinc Clear

Regular price From $10.22
Sale price From $10.22 Regular price
3/4"-10x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

3/4"-10x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $5.29
Sale price From $5.29 Regular price
3/4"-10x1-1/2" Square Head Bolts Grade A307 Zinc Clear

3/4"-10x1-1/2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $4.27
Sale price From $4.27 Regular price
3/4"-10x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized

3/4"-10x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $4.87
Sale price From $4.87 Regular price
3/4"-10x1-3/4" Square Head Bolts Grade A307 Zinc Clear

3/4"-10x1-3/4" Square Head Bolts Grade A307 Zinc Clear

Regular price From $4.68
Sale price From $4.68 Regular price
3/4"-10x2" Square Head Bolts Grade A307 Hot Dip Galvanized

3/4"-10x2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $5.75
Sale price From $5.75 Regular price
3/4"-10x2" Square Head Bolts Grade A307 Zinc Clear

3/4"-10x2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $4.99
Sale price From $4.99 Regular price