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1 1/8 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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BIG BOLTILSquare Head BoltGrade 5Plain1 1/8-7 x 16bolt & c/s square boltsquare b18.2.1 b18.2.1400
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BIG BOLTILSquare Head BoltGrade 5Plain1 1/8-12 x 12bolt & c/s square boltb18.2.1200
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BIG BOLTILSquare Head BoltGrade 8Plain1 1/8-7 x 16bolt & c/s square boltsquare b18.2.1 b18.2.1300
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BIG BOLTILSquare Head BoltGrade 8Plain1 1/8-7 x 8bolt & c/s square boltb18.2.1400
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BIG BOLTILSquare Head BoltGrade 8Plain1 1/8-7 x 20bolt & c/s square boltsquare b18.2.1 b18.2.1200
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BIG BOLTILSquare Head BoltGrade 5Plain1 1/8-7 x 10bolt & c/s square boltb18.2.1144
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BIG BOLTILSquare Head BoltGrade 8Plain1 1/8-12 x 22bolt & c/s square boltb18.2.1200
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BIG BOLTILSquare Head BoltGrade 5Plain1 1/8-7 x 4 1/4bolt & c/s square boltb18.2.1540
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BIG BOLTILSquare Head BoltGrade 5Plain1 1/8-12 x 16bolt & c/s square boltb18.2.1200
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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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B & K FASTPASquare Head BoltSteelPlain1 1/8-7 x 10 1/41 1/8-7 x 10 1/4 square bolts plain b18.2.11
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THRDFASTFLSquare Head BoltSteelPlain1 1/8-7 x 4 1/2square hd bolt b18.2.14
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KBSTNSquare Head BoltGrade 8Plain1 1/8-7 x 101-1/8-7 x 10 inch square mach bolt gr-8 b18.2.14
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KBSTNSquare Head BoltGrade 8Plain1 1/8-7 x 5 1/21-1/8-7 x 5 1/2 square!machbolt gr-8 b18.2.115
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KBSTNSquare Head BoltGrade 8Plain1 1/8-7 x 8 1/21-1/8-7 x 8 1/2 square mach bolt gr-8 b18.2.16
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