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Square Head Bolts

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"-13x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.03
From $2.03
1/2"-13x1-3/4" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x1-3/4" Square Head Bolts Grade A307 Zinc Clear

From $1.50
From $1.50
1/2"-13x2" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.05
From $2.05
1/2"-13x2" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x2" Square Head Bolts Grade A307 Zinc Clear

From $1.69
From $1.69
1/2"-13x2-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x2-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.37
From $2.37
1/2"-13x2-1/4" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x2-1/4" Square Head Bolts Grade A307 Zinc Clear

From $2.81
From $2.81
1/2"-13x2-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x2-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $1.91
From $1.91
1/2"-13x2-1/2" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x2-1/2" Square Head Bolts Grade A307 Zinc Clear

From $2.05
From $2.05
1/2"-13x3" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x3" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.95
From $2.95
1/2"-13x3" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x3" Square Head Bolts Grade A307 Zinc Clear

From $2.60
From $2.60
1/2"-13x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $3.59
From $3.59
1/2"-13x3-1/2" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x3-1/2" Square Head Bolts Grade A307 Zinc Clear

From $2.71
From $2.71
1/2"-13x4" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x4" Square Head Bolts Grade A307 Hot Dip Galvanized

From $4.12
From $4.12
1/2"-13x4" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x4" Square Head Bolts Grade A307 Zinc Clear

From $3.03
From $3.03
1/2"-13x4-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x4-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $4.37
From $4.37
1/2"-13x4-1/2" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x4-1/2" Square Head Bolts Grade A307 Zinc Clear

From $3.42
From $3.42
1/2"-13x5" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x5" Square Head Bolts Grade A307 Hot Dip Galvanized

From $5.57
From $5.57
1/2"-13x5" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x5" Square Head Bolts Grade A307 Zinc Clear

From $3.75
From $3.75
1/2"-13x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

1/2"-13x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $5.18
From $5.18
1/2"-13x5-1/2" Square Head Bolts Grade A307 Zinc Clear

1/2"-13x5-1/2" Square Head Bolts Grade A307 Zinc Clear

From $4.08
From $4.08

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