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6 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 .

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

Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHSquare Head BoltGrade APlain3/4-10 x 6 1/23/4-10x6-1/2 square hd bolt a307 stl pln b18.2.1 ()1
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BIG BOLTILSquare Head BoltGrade 8Plain3/4-16 x 6 1/2bolt & c/s square boltb18.2.11187
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BIG BOLTILSquare Head Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 6 1/2bolt & c/s square bolt300 (a1 a2 18-8 304 310 etc.)square b18.2.1200
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BIG BOLTILSquare Head BoltGrade 8Plain1/2-13 x 6 1/2bolt & c/s square boltsquare b18.2.1800
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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 BoltGrade 5Plain5/8-11 x 6 1/25/8-11 x 6 1/2 square bolts full thread gr 5 plain b18.2.11
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B & K FASTPASquare Head BoltSteelPlain5/8-11 x 6 1/25/8-11 x 6 1/2 square bolts plain b18.2.1600
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KBSTNSquare Head BoltGrade 8Plain1-8 x 6 1/21-8 x 6 1/2 square!machbolt gr-8 b18.2.155
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KBSTNSquare Head BoltGrade 8Plain3/4-10 x 6 1/23/4-10 x 6 1/2 square!machbolt gr-8 b18.2.186
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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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