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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

3/8"-16x3" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x3" Square Head Bolts Grade A307 Hot Dip Galvanized

From $1.69
From $1.69
3/8"-16x3" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x3" Square Head Bolts Grade A307 Zinc Clear

From $1.37
From $1.37
3/8"-16x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $1.96
From $1.96
3/8"-16x3-1/2" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x3-1/2" Square Head Bolts Grade A307 Zinc Clear

From $1.56
From $1.56
3/8"-16x4" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x4" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.49
From $2.49
3/8"-16x4" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x4" Square Head Bolts Grade A307 Zinc Clear

From $1.85
From $1.85
3/8"-16x4-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x4-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.54
From $2.54
3/8"-16x4-1/2" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x4-1/2" Square Head Bolts Grade A307 Zinc Clear

From $1.94
From $1.94
3/8"-16x5" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x5" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.70
From $2.70
3/8"-16x5" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x5" Square Head Bolts Grade A307 Zinc Clear

From $2.12
From $2.12
3/8"-16x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

From $2.93
From $2.93
3/8"-16x5-1/2" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x5-1/2" Square Head Bolts Grade A307 Zinc Clear

From $2.35
From $2.35
3/8"-16x6" Square Head Bolts Grade A307 Hot Dip Galvanized

3/8"-16x6" Square Head Bolts Grade A307 Hot Dip Galvanized

From $3.28
From $3.28
3/8"-16x6" Square Head Bolts Grade A307 Zinc Clear

3/8"-16x6" Square Head Bolts Grade A307 Zinc Clear

From $2.53
From $2.53
1/2"-13x1" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $1.52
From $1.52
1/2"-13x1" Square Head Bolts Grade A307 Zinc Clear

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

From $1.13
From $1.13
1/2"-13x1-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $1.66
From $1.66
1/2"-13x1-1/4" Square Head Bolts Grade A307 Zinc Clear

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

From $1.29
From $1.29
1/2"-13x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $1.95
From $1.95
1/2"-13x1-1/2" Square Head Bolts Grade A307 Zinc Clear

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

From $1.43
From $1.43

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