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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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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 $3.37
From $3.37
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 $2.97
From $2.97
3/8"-16x6" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $3.79
From $3.79
3/8"-16x6" Square Head Bolts Grade A307 Zinc Clear

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

From $3.21
From $3.21
1/2"-13x1" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $1.76
From $1.76
1/2"-13x1" Square Head Bolts Grade A307 Zinc Clear

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

From $1.44
From $1.44
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 $1.91
From $1.91
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 $1.64
From $1.64
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 $2.36
From $2.36
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 $1.82
From $1.82
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 $2.36
From $2.36
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 $1.93
From $1.93
1/2"-13x2" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $2.38
From $2.38
1/2"-13x2" Square Head Bolts Grade A307 Zinc Clear

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

From $2.16
From $2.16
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 $2.74
From $2.74
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 $2.40
From $2.40
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 $3.20
From $3.20
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 $2.61
From $2.61
1/2"-13x3" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $3.42
From $3.42
1/2"-13x3" Square Head Bolts Grade A307 Zinc Clear

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

From $3.35
From $3.35
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 $4.15
From $4.15
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 $3.46
From $3.46
1/2"-13x4" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $4.76
From $4.76
1/2"-13x4" Square Head Bolts Grade A307 Zinc Clear

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

From $3.84
From $3.84
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 $5.03
From $5.03
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 $4.34
From $4.34
1/2"-13x5" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $6.43
From $6.43
1/2"-13x5" Square Head Bolts Grade A307 Zinc Clear

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

From $4.73
From $4.73
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 $5.96
From $5.96
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 $5.17
From $5.17
1/2"-13x6" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $6.84
From $6.84
1/2"-13x6" Square Head Bolts Grade A307 Zinc Clear

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

From $5.60
From $5.60
1/2"-13x7" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $7.94
From $7.94
1/2"-13x7" Square Head Bolts Grade A307 Zinc Clear

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

From $6.92
From $6.92
1/2"-13x8" Square Head Bolts Grade A307 Hot Dip Galvanized

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

From $8.83
From $8.83