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Square Head Bolts, 316, 317, A4 Stainless (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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Buy Square Head Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BIG BOLTILSquare Head Bolt316, 317, A4 StainlessPlain317 5/8-11 x 5bolt & c/s square bolt316 317 a4 stainless5/8-11x5square b18.2.1 316300
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BIG BOLTILSquare Head Bolt316, 317, A4 StainlessPlainx 6bolt & c/s square bolt316 317 a4 stainless1-8x6b18.2.1 316109
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