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 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 965-2:1998 ISO general purpose metric screw threads - Tolerances - Part 2: Limits of sizes for general purpose external and internal screw threads - Medium quality
GOST ISO 7040-2014 history
2014GOST ISO 7040-2014 Prevailing torque type hexagon regular nuts (with non-metallic insert), style 1. Property classes 5, 8 and 10