ISO 6157-1:1988 Fasteners surface discontinuities; part 1: bolts, screws and studs for general requirements
ISO 7721:1983 Countersunk head screws; Head configuration and gauging
ISO 8839:1986 Mechanical properties of fasteners; Bolts, screws, studs and nuts made of non-ferrous metals
ISO 898-1:2009 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 8992:2005 Fasteners - General requirements for bolts, screws, studs and nuts