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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

1/2"-13x6" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x6" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $5.91
Sale price From $5.91 Regular price
1/2"-13x6" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x6" Square Head Bolts Grade A307 Zinc Clear

Regular price From $4.40
Sale price From $4.40 Regular price
1/2"-13x7" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x7" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $6.83
Sale price From $6.83 Regular price
1/2"-13x7" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x7" Square Head Bolts Grade A307 Zinc Clear

Regular price From $5.37
Sale price From $5.37 Regular price
1/2"-13x8" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x8" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $7.61
Sale price From $7.61 Regular price
1/2"-13x8" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x8" Square Head Bolts Grade A307 Zinc Clear

Regular price From $6.10
Sale price From $6.10 Regular price
5/8"-11x1-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x1-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $2.74
Sale price From $2.74 Regular price
5/8"-11x1-1/4" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x1-1/4" Square Head Bolts Grade A307 Zinc Clear

Regular price From $2.10
Sale price From $2.10 Regular price
5/8"-11x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $3.02
Sale price From $3.02 Regular price
5/8"-11x1-1/2" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x1-1/2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $2.38
Sale price From $2.38 Regular price
5/8"-11x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $3.35
Sale price From $3.35 Regular price
5/8"-11x1-3/4" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x1-3/4" Square Head Bolts Grade A307 Zinc Clear

Regular price From $2.57
Sale price From $2.57 Regular price
5/8"-11x2" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $3.68
Sale price From $3.68 Regular price
5/8"-11x2" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $2.84
Sale price From $2.84 Regular price
5/8"-11x2-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x2-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $4.06
Sale price From $4.06 Regular price
5/8"-11x2-1/2" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x2-1/2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $3.28
Sale price From $3.28 Regular price
5/8"-11x3" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x3" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $5.03
Sale price From $5.03 Regular price
5/8"-11x3" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x3" Square Head Bolts Grade A307 Zinc Clear

Regular price From $4.06
Sale price From $4.06 Regular price
5/8"-11x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

5/8"-11x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

Regular price From $5.62
Sale price From $5.62 Regular price
5/8"-11x3-1/2" Square Head Bolts Grade A307 Zinc Clear

5/8"-11x3-1/2" Square Head Bolts Grade A307 Zinc Clear

Regular price From $6.43
Sale price From $6.43 Regular price