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M3 Hex Cap Screws (DIN 931)

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 
MSTCMAHex Head Cap ScrewClass 8.8Zinc/ClearM3 x 20m3 x 20 din 931 hex cap scr p/t 8.8 zn14
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MSTCMAHex Head Cap ScrewClass 8.8PlainM3 x 20m3 x 20 din 931 hex cap scr p/t 8.8 bk65
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Alma BoltMIHex Head Cap ScrewClass 8.8PlainM3-0.50 x 25hex c/s din 9311975
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EurolinkSCHex Head Cap ScrewClass 8.8Zinc/ClearM3 x 30m3 x 30 din 931 / iso 4014 8.8 zinc plated hex head cap screw partial threadinquire
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EurolinkSCHex Head Cap ScrewClass 8.8Zinc/ClearM3 x 40m3 x 40 din 931 / iso 4014 8.8 zinc plated hex head cap screw partial threadinquire
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Alma BoltMIHex Head Cap ScrewClass 8.8PlainM3-0.50 x 40hex c/s din 931249
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