Standard [CURRENT]
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This document specifies the properties of square nuts with threads from M5 to M16 in product class C, made of steel and stainless steel. This document has been prepared by Working Committee NA 067-00-03 AA "Verbindungselemente mit metrischem Innengewinde" ("Fasteners with metric internal thread") at DIN Standards Committee Fasteners (FMV).
This document replaces DIN 557:1994-01 .