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5 1/4 inch length Square Head Bolts

Square Head Bolts were once the most common form of bolt, until they were replaced by hex head bolts. They are covered under ANSI Standard B18.2.1 and are now most commonly used for aesthetic purposes to provide a rustic look .

7 results, (click on any line for more information)

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
LibertyILSquare Head BoltGrade 8Zinc/Yellow3/4-10 x 5 1/4square m/b .0002 .000216
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HBBOLTCASquare Head BoltSteelPlain3/4-10 x 5 1/4square hd bolt35
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BIG BOLTILSquare Head BoltGrade 5Plain5/8-11 x 5 1/4bolt & c/s square boltsquare b18.2.13000
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BIG BOLTILSquare Head BoltGrade 5Plain3/4-16 x 5 1/4bolt & c/s square boltb18.2.12250
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BIG BOLTILSquare Head BoltGrade APlain1 1/8-7 x 5 1/4bolt & c/s square bolta307a b18.2.1213
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FMPMASquare Head BoltSteelPlain7/8-9 x 5 1/4square bolt4
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Valley NuWASquare Head BoltSteelZinc/Black3/4-10 x 5 1/4nc square bolt zb42
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