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1 3/4 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 .

13 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
BIG BOLTILSquare Head BoltGrade 8Plain1 3/4-5 x 10bolt & c/s square boltsquare b18.2.1280
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BIG BOLTILSquare Head BoltGrade 5Plain1 3/4-5 x 8bolt & c/s square boltb18.2.1512
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BIG BOLTILSquare Head BoltGrade 5Plain1 3/4-5 x 16bolt & c/s square boltb18.2.1910
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BIG BOLTILSquare Head BoltGrade 8Plain1 3/4-5 x 14bolt & c/s square boltsquare b18.2.1260
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BIG BOLTILSquare Head BoltGrade 8Plain1 3/4-5 x 8bolt & c/s square boltsquare b18.2.1280
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BIG BOLTILSquare Head BoltGrade 8Plain1 3/4-5 x 20bolt & c/s square boltsquare b18.2.1200
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BIG BOLTILSquare Head BoltGrade 8Plain1 3/4-5 x 20bolt & c/s square boltb18.2.1118
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BIG BOLTILSquare Head BoltGrade 5Plain1 3/4-5 x 10bolt & c/s square boltb18.2.1500
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BIG BOLTILSquare Head BoltGrade 8Plain1 3/4-5 x 6bolt & c/s square boltsquare b18.2.1400
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BIG BOLTILSquare Head BoltGrade 5Plain1 3/4-5 x 14bolt & c/s square boltb18.2.1821
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BIG BOLTILSquare Head BoltGrade 5Plain1 3/4-5 x 6bolt & c/s square boltb18.2.1612
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KBSTNSquare Head BoltGrade 8Plain1 3/4-5 x 101-3/4-5 x 10 inch square mach bolt gr-8 b18.2.130
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KBSTNSquare Head BoltGrade 8Plain1 3/4-5 x 81-3/4-5 x 8 square!machbolt gr-8 b18.2.110
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