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Hex Cap Screws, Grade B8M (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 
QFCTXHex Head Cap ScrewGrade B8MPlain5/8 x 45/8x4nc 316ss cap screw (b8m) b18.2.113
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Mid-ValleyCAHex Head Cap ScrewGrade B8MPlain1 1/4-8 x 3 1/2hex head cap screw b18.2.1inquire
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Mid-ValleyCAHex Head Cap ScrewGrade B8MPlain1 1/2-8 x 3 1/2hex head cap screw b18.2.1inquire
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Mid-ValleyCAHex Head Cap ScrewGrade B8MPlain1 1/4-8 x 6 1/2hex head cap screw b18.2.1inquire
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WSBKYHex Head Cap ScrewGrade B8MPlain2 3/4-10 x 4 1/2screw hcs b8mc2 (pl) 3/4-10x4 1/2 b18.2.180
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WSBKYHex Head Cap ScrewGrade B8MPlain2 3/4-10 x 4 1/2screw hcs b8mc2 (pl) 3/4-10x4 1/2 b18.2.110
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WSBKYHex Head Cap ScrewGrade B8MPlain2 3/4-10 x 4 1/2screw hcs b8mc2 (pl) 3/4-10x4 1/2 b18.2.120
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WSBKYHex Head Cap ScrewGrade B8MPlainq/screw heavy hcs sst b8m 1-8x10 b18.2.193
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WSBKYHex Head Cap ScrewGrade B8MPlain2 1/4-20 x 1screw hcs b8mc2 1/4-20x1 b18.2.1100
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