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3/4 inch length Square Head Bolts

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 .

27 results, (click on any line for more information)
Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
CenturyFLSquare Head BoltGrade 2Zinc/Clear5/16-18 x 3/45/16-18 x 3/4 square head bolt grade 2 steel zinc clear1776
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SWACOOHSquare Head BoltGrade APlain5/16-18 x 3/45/16-18x3/4 a307 gr a square hd bolt pl600
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ACCURATEILSquare Head BoltSteelPlain5/16-18 x 3/4bolt square machine50
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ACCURATEILSquare Head BoltSteelPlain1/2-13 x 3/4bolt square machine50
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ACCURATEILSquare Head BoltSteelZinc/Clear7/16-14 x 3/4bolt square machine3200
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BHAMALSquare Head BoltSteelZinc/Clear3/8-16 x 3/43/8-16 x 3/4 sq hd set screw zn430
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OneMonroeNCSquare Head BoltSteelPlain5/16-18 x 3/45/16-18 x 3/4 sq hd c/s-pln40
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Alma BoltMISquare Head BoltSteelGalvanized3/8-16 x 3/43/8-16 x 3/4 | hdg sq mach bolt75
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Alma BoltMISquare Head BoltGrade 2Plain1/4-20 x 3/4square bolt199
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Alma BoltMISquare Head BoltGrade 2Plain5/16-18 x 3/4square bolt80
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LibertyILSquare Head BoltGrade 5Zinc/Yellow5/16-18 x 3/4square m/b300
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Future FastenerTXSquare Head BoltSteelGalvanized3/8-16 x 3/43/8-16 x 3/4 square head bolt galv1600
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AmericanNYSquare Head BoltSteelBlack Oxide1/4-20 x 3/4square m/b black ox5150
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BIG BOLTILSquare Head BoltGrade 5Plain5/16-18 x 3/4bolt & c/s square boltsquare b18.2.15500
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KomarILSquare Head BoltSteelPlain3/8-16 x 3/43/8-16x3/4 square hd machine bolt1500
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XL ScrewGASquare Head BoltSteelPlain5/16-18 x 3/4f/t square hd m/b astm a3071,500
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WDMBIASquare Head BoltSteelPlain5/16 x 3/4e/key mach sqr st (pl) 5/16x3/4 drw (W030)356
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QFCTXSquare Head BoltGrade AGalvanized3/8-16 x 3/43/8-16x3/4 square head bolt a307 hdg b18.2.1987
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ISSCOMOSquare Head BoltGrade 2Zinc/Clear1/4-20 x 3/46800
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ArdenWISquare Head BoltGrade 5Zinc/Yellow5618 x 3/45618x3/4 square hd bolt gr5 w/chmfr zyinquire
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Kanebridge ILSquare Head BoltSteelPlain5/16-18 x 3/45/16-18x3/4 square machine bolt plain20,000
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SRFALSquare Head BoltGrade 2Plain5/16-18 x 3/4square hd bolt66
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SRFALSquare Head BoltGrade 2Plain3/8-16 x 3/4square hd bolt-
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THRDFASTMSSquare Head BoltSteelPlain5/16-18 x 3/4square hd bolt b18.2.180
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ACCURATEILSquare Head BoltSteelZinc/Clear7/16-14 x 3/4square m/b3,100
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ACCURATEILSquare Head BoltSteelPlain1/2-13 x 3/4square m/b150
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QFSMISquare Head Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/4Square head set screw cup point12
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