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This standard specifies requirements for M4 to M24 wing nuts with rounded wings, of product grade C and made of malleable cast iron, steel, austenitic steel or copper-zinc alloy. The responsible committee for this standard is NA 067-00-08 AA "Verbindungselemente mit Sonderformen und aus Kunststoff" ("Fasteners with special elements and made of plastic") at DIN.
This document replaces DIN 315:1998-07 .