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7/16 Square Head Bolts (ASME B18. 2.1)

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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BIG BOLTILSquare Head BoltGrade 5Plain7/16-14 x 2 1/2bolt & c/s square boltsquare b18.2.1890
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-14 x 5bolt & c/s square boltsquare b18.2.12500
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-14 x 3 1/2bolt & c/s square boltsquare b18.2.11000
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-14 x 4bolt & c/s square boltsquare b18.2.11000
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-20 x 3bolt & c/s square boltsquare b18.2.1500
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-14 x 3bolt & c/s square boltsquare b18.2.11500
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-20 x 3 1/2bolt & c/s square boltsquare b18.2.11000
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-20 x 4bolt & c/s square boltsquare b18.2.11000
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BIG BOLTILSquare Head BoltGrade 8Plain7/16-20 x 5bolt & c/s square boltsquare b18.2.11500
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B & K FASTPASquare Head BoltGrade 8Zinc/Yellow7/16-20 x 57/16-20 x 5 square bolts gr 8 z yellow b18.2.124
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THRDFASTMSSquare Head BoltSteelPlain7/16-14 x 1square hd bolt b18.2.180
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