ISO 21670:2014 PDF

Scope: This International Standard specifies characteristics for hexagon weld nuts with flange, with sizes M5 to M16 (coarse threadj orD=8mmto 16 mm (fine pitch threadj,ofproduct grade A. Weld nuts conforming to this International Standard are Suitable for use with bolts of property classes up to 10.9 accordingto IS90898-1.

ISO 21670:2014 Referenced Document

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