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"-16x6" Square Head Bolts Grade A307 Hot Dip Galvanized
$3.79
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1/2"-13x1" Square Head Bolts Grade A307 Hot Dip Galvanized
$1.76
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1/2"-13x1-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized
$1.91
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1/2"-13x1-1/4" Square Head Bolts Grade A307 Zinc Clear
$1.64
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1/2"-13x1-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized
$2.36
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1/2"-13x1-1/2" Square Head Bolts Grade A307 Zinc Clear
$1.82
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1/2"-13x1-3/4" Square Head Bolts Grade A307 Hot Dip Galvanized
$2.36
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1/2"-13x2" Square Head Bolts Grade A307 Hot Dip Galvanized
$2.38
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1/2"-13x1-3/4" Square Head Bolts Grade A307 Zinc Clear
$1.93
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1/2"-13x2-1/4" Square Head Bolts Grade A307 Hot Dip Galvanized
$2.75
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1/2"-13x2-1/4" Square Head Bolts Grade A307 Zinc Clear
$2.40
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1/2"-13x2-1/2" Square Head Bolts Grade A307 Zinc Clear
$2.61
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1/2"-13x2-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized
$3.21
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1/2"-13x3" Square Head Bolts Grade A307 Hot Dip Galvanized
$3.42
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1/2"-13x3-1/2" Square Head Bolts Grade A307 Hot Dip Galvanized
$4.16
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1/2"-13x3-1/2" Square Head Bolts Grade A307 Zinc Clear
$3.75
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1/2"-13x4" Square Head Bolts Grade A307 Hot Dip Galvanized
$4.76
