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DIN 608:2010
Flat countersunk head square neck bolts with short square
This standard contains dimensional and technical requirments of flat countersunk square neck bolts with short square and specifies their designation.*This document has been prepared by the Fasteners Standards Committee (FMV), Working Committee NA 067-00-08 AA "Verbindungselemente mit Sonderformen und aus Kunststoff" ("Fasteners with special elements and made of plastic"). This document applies to flat countersunk head square neck bolts with short square and with metric threads M10 and M12, of product grade C.
Deutsches Institut für Normung [din]