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8 1/2 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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
B & K FASTPASquare Head BoltSteelPlain5/8-11 x 8 1/25/8-11 x 8 1/2 square bolts plain b18.2.1206
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THRDFASTALSquare Head BoltSteelGalvanized5/8-11 x 8 1/2hdg sq bolt w/nut b18.2.156
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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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KBSTNSquare Head BoltGrade 8Plain1 1/4-7 x 8 1/21-1/4-7 x 8 1/2 square!machbolt gr-8 b18.2.143
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