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.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
ISO 3269:2000 Fasteners -- Acceptance inspection
ISO 4759-1:2000 Tolerances for fasteners -- Part 1: Bolts, screws, studs and nuts -- Product grades A, B and C
ISO 6157-2:1995 Fasteners -- Surface discontinuities -- Part 2: Nuts
ISO 3269:2000 Fasteners -- Acceptance inspection
ISO 4759-1:2000 Tolerances for fasteners -- Part 1: Bolts, screws, studs and nuts -- Product grades A, B and C
ISO 6157-2:1995 Fasteners -- Surface discontinuities -- Part 2: Nuts
ISO 724:1993 ISO general-purpose metric screw threads -- Basic dimensions
ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel -- Part 1: Bolts, screws and studs with specified property classes -- Coarse thread and fine pitch thread
ISO 898-2:2012 Mechanical properties of fasteners made of carbon steel and alloy steel -- Part 2: Nuts with specified property classes -- Coarse thread and fine pitch thread
ISO 8992:2005 Fasteners -- General requirements for bolts, screws, studs and nuts
ISO 965-3:1998 ISO general purpose metric screw threads -- Tolerances -- Part 3: Deviations for constructional screw threads