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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1/2"-13x5" Square Head Bolts Grade A307 Hot Dip Galvanized
$6.43
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1/2"-13x5-1/2" Square Head Bolts Grade A307 Zinc Clear
$7.50
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1/2"-13x5-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized
$7.50
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1/2"-13x6" Square Head Bolts Grade A307 Hot Dip Galvanized
$7.50
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1/2"-13x7" Square Head Bolts Grade A307 Hot Dip Galvanized
$7.94
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5/8"-11x1-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized
$3.18
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5/8"-11x1-1/4" Square Head Bolts Grade A307 Zinc Clear
$2.70
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1/2"-13x8" Square Head Bolts Grade A307 Hot Dip Galvanized
$8.83
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5/8"-11x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized
$3.50
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5/8"-11x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized
$3.89
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5/8"-11x1-1/2" Square Head Bolts Grade A307 Zinc Clear
$3.05
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5/8"-11x1-3/4" Square Head Bolts Grade A307 Zinc Clear
$3.31
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5/8"-11x2" Square Head Bolts Grade A307 Hot Dip Galvanized
$4.27
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5/8"-11x2-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized
$4.68
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5/8"-11x2-1/2" Square Head Bolts Grade A307 Zinc Clear
$4.19
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5/8"-11x3" Square Head Bolts Grade A307 Hot Dip Galvanized
$5.83
