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7/8 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 .

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALSquare Head BoltSteelPlain7/8-9 x 4 1/27/8-9x4 1/2 square head bolt b18.2.15
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ASMCILSquare Head BoltGrade AZinc/Clear7/8-9 x 4a307 gra square hd m/b low carb zp b18.2.124
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 14bolt & c/s square boltsquare b18.2.1566
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-14 x 20bolt & c/s square boltb18.2.1600
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BIG BOLTILSquare Head BoltGrade 8Plain7/8-9 x 26bolt & c/s square boltsquare b18.2.1260
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-14 x 14bolt & c/s square boltb18.2.1600
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 10bolt & c/s square boltsquare b18.2.1521
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BIG BOLTILSquare Head BoltGrade 8Plain7/8-9 x 20bolt & c/s square boltsquare b18.2.1310
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 2 3/4bolt & c/s square boltsquare b18.2.13700
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 12bolt & c/s square boltsquare b18.2.1543
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 24bolt & c/s square boltb18.2.1300
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BIG BOLTILSquare Head BoltGrade 5Plain7/8-9 x 8bolt & c/s square boltsquare b18.2.1450
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QFCTXSquare Head BoltGrade AGalvanized7/8-9 x 187/8-9x18 square head bolt a307 hdg b18.2.110
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CascadeORSquare Head BoltSteelPlain7/8-9 x 12square m/b b18.2.19
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B & K FASTPASquare Head BoltSteelGalvanized7/8-9 x 167/8-9 x 16 galv square bolts 6 thread b18.2.132
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 3 1/27/8-9 x 3 1/2 square bolts plain b18.2.1523
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 47/8-9 x 4 square bolts plain b18.2.11
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 4 1/27/8-9 x 4 1/2 square bolts plain b18.2.176
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 57/8-9 x 5 square bolts plain b18.2.158
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 5 1/27/8-9 x 5 1/2 square bolts plain b18.2.1277
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 67/8-9 x 6 square bolts plain b18.2.1119
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 6 1/27/8-9 x 6 1/2 sq. bolts plain b18.2.19
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 77/8-9 x 7 square bolts plain b18.2.1250
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 107/8-9 x 10 square bolts plain b18.2.11
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 10 1/27/8-9 x 10 1/2 square bolts plain b18.2.167
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 2 1/47/8-9 x 2 1/4 square bolts plain b18.2.11331
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B & K FASTPASquare Head BoltGrade 5Plain7/8-9 x 37/8-9 x 3 square bolts gr 5 plain b18.2.125
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B & K FASTPASquare Head BoltSteelPlain7/8-9 x 37/8-9 x 3 square bolts plain b18.2.1314
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THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 42square hd bolt rt6 hdg b18.2.1stock
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THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 18square hd bolt rt6 hdg b18.2.110
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THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 22square hd bolt hdg b18.2.15
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THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 42square hd bolt rt6 hdg b18.2.13
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THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 46square hd bolt rt6 hdg b18.2.13
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THRDFASTFLSquare Head BoltSteelGalvanized7/8-9 x 44square hd bolt rt6 hdg b18.2.12
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THRDFASTOKSquare Head BoltSteelGalvanized7/8-9 x 4square hd bolt hdg b18.2.1215
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THRDFASTOKSquare Head BoltSteelGalvanized7/8-9 x 3square hd bolt hdg b18.2.140
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THRDFASTOKSquare Head BoltSteelGalvanized7/8-9 x 3square hd bolt rt2.25 hdg b18.2.120
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THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 14square hd bolt hdg b18.2.135
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THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 4square hd bolt hdg b18.2.110
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THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 28square hd bolt rt6 hdg b18.2.1stock
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THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 30square hd bolt hdg b18.2.15
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THRDFASTALSquare Head BoltSteelGalvanized7/8-9 x 20square hd bolt hdg b18.2.15
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THRDFASTMSSquare Head BoltSteelGalvanized7/8-9 x 9 1/2square hd bolt hdg b18.2.117
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KBSTNSquare Head BoltGrade 8Plain7/8-9 x 127/8-9 x 12 square!machbolt gr-8 b18.2.113
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KBSTNSquare Head BoltGrade 8Plain7/8-9 x 147/8-9 x 14 square!machbolt gr-8 b18.2.127
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KBSTNSquare Head BoltSteelPlain7/8-9 x 47/8-9 x 4 square hd mach.bolt b18.2.1123
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KBSTNSquare Head BoltGrade 8Plain7/8-9 x 6 1/27/8-9 x 6 1/2 square mach bolt gr-8 b18.2.174
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KBSTNSquare Head BoltGrade 5Plain7/8-9 x 87/8-9 x 8 square mach.bolt gr-5 b18.2.120
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KBSTNSquare Head BoltGrade 8Plain7/8-9 x 107/8-9 x 10 inch square mach bolt gr-8 b18.2.160
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THRDFASTFLSquare Head BoltGrade 5Plain7/8-9 x 5gr5 square hd bolt b18.2.110
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THRDFASTMSSquare Head BoltSteelGalvanized7/8-9 x 9square hd bolt hdg b18.2.150
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THRDFASTALSquare Head BoltGrade 2Galvanized7/8-9 x 20tfi square hd bolt rt 7in hdg b18.2.120
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THRDFASTALSquare Head BoltGrade 2Galvanized7/8-9 x 17tfi square hd bolt rt 7in hdg b18.2.158
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THRDFASTALSquare Head BoltGrade 2Galvanized7/8-9 x 19tfi square hd bolt rt 8in hdg b18.2.128
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