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3 1/8 inch length Hex Cap Screws (ASME B18. 2.1)

Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.

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Buy Hex Cap Screws from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
B & K FASTPAHex Head Cap ScrewGrade 5Zinc/Yellow5/8-18 x 3 1/85/8-18 x 3 1/8 hex cap screws gr 5 z yellow b18.2.126
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