ISO 21670:2014 specifies characteristics for hexagon weld nuts with flange, with sizes M5 to M16 (coarse thread) or d = 8 mm to 16 mm (fine pitch thread), of product grade A. Weld nuts conforming to ISO 21670:2014 are suitable for use with bolts of property classes up to 10.9 according to ISO 898‑1.
Status: PublishedPublication date: 2014-05
Edition: 2Number of pages: 5
Technical Committee: ISO/TC 2/SC 12 Fasteners with metric internal thread
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