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Square Head Bolts, Black Oxide (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 
JET FITTINGCASquare Head BoltSteelBlack Oxide5/16-18 x 3/4bolt square 5/16-18x3/4 steel black oxide and wax b18.2.12000
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