📦Free Shipping Orders $25+
My Account
My Cart 0 items
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.
Compare (0/5)

223 products

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

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

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

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

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

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

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

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

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

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

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

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

From $6.10
From $6.10
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

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

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

From $2.10
From $2.10