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2 inch length 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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BIG BOLTILSquare Head BoltGrade 5Plain1/4-20 x 2bolt & c/s square boltsquare b18.2.16000
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BIG BOLTILSquare Head BoltGrade 5Plain5/16-18 x 2bolt & c/s square boltsquare b18.2.15000
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BIG BOLTILSquare Head BoltGrade 5Plain1/2-13 x 2bolt & c/s square boltsquare b18.2.121000
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BIG BOLTILSquare Head BoltGrade 8Plain1/2-13 x 2bolt & c/s square boltsquare b18.2.12900
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BIG BOLTILSquare Head BoltGrade 5Plain3/8-16 x 2bolt & c/s square boltsquare b18.2.12600
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BIG BOLTILSquare Head BoltGrade 5Plain5/8-11 x 2bolt & c/s square boltsquare b18.2.11800
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AbabaCASquare Head BoltSteelZinc/Clear5/8-11 x 25/8-11 x 2 sq hd blt steel znc b18.2.16
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AbabaCASquare Head BoltSteelZinc/Clear1/4-20 x 21/4-20 x 2 sq hd blt full thrd steel znc b18.2.11390
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AbabaCASquare Head BoltSteelPlain1/4-20 x 21/4-20 x 2 sq hd blt full thrd steel pln b18.2.12190
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JET FITTINGCASquare Head BoltGrade APlain5/8-11 x 25/8-11x2 a307 gr a square hd bolt pln 747242 b18.2.125
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B & K FASTPASquare Head BoltSteelPlain3/8-16 x 23/8-16 x 2 square bolts plain b18.2.1215
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B & K FASTPASquare Head BoltSteelPlain1/2-13 x 21/2-13 x 2 square bolts plain b18.2.1197
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B & K FASTPASquare Head BoltSteelPlain3/4-10 x 23/4-10 x 2 square bolts plain b18.2.11090
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OSSCORISquare Head BoltSteelPlain5/8-11 x 25/8-11x2 square hd mach bolt b18.2.124
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Bostwick INSquare Head BoltGrade 5Plain1/2-13 x 21/2-13 x 2 square hd bolt gr 5 b18.2.152
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Bostwick INSquare Head BoltGrade 5Plain3/4-10 x 23/4-10 x 2 square hd bolt gr 5 b18.2.123
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Bostwick INSquare Head BoltGrade 5Plain5/8-11 x 25/8-11 x 2 square hd bolt gr 5 b18.2.112
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THRDFASTFLSquare Head BoltGrade 5Plain3/8-16 x 2gr5 square hd bolt b18.2.110
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THRDFASTOKSquare Head BoltSteelPlain1/2-13 x 2square hd bolt b18.2.1430
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THRDFASTALSquare Head BoltSilicon BronzePlain1/2-13 x 2sili brnz sq bolt b18.2.122
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KBSTNSquare Head BoltSteelPlain3/4-10 x 23/4-10 x 2 square hd mach.bolt b18.2.1394
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KBSTNSquare Head BoltGrade 8Plain1/2-13 x 21/2-13 x 2 square mach bolt gr-8 b18.2.1110
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KBSTNSquare Head BoltSteelGalvanized5/8-11 x 25/8-11 x 2 square hd mach.bolt hdg! b18.2.1260
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THRDFASTALSquare Head BoltSteelGalvanized1/2-13 x 2square hd bolt hdg b18.2.1134
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THRDFASTMSSquare Head BoltSteelGalvanized5/8-11 x 2square hd bolt hdg b18.2.1250
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WSBKYSquare Head Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2blt sqr (18-8) 1/2-13x2 b18.2.147
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