GOST 1435-1999 Bars, strips and reels of tool unalloyed steel. General specifications*, 1999-04-19 Update
GOST 1759.4-1987 Bolts, screws and studs. Mechanical properties and test methods*, 1987-04-19 Update
GOST 1759.5-1987 Nuts. Mechanical properties and test methods*, 1987-04-19 Update
GOST 31.111.42-1983 Parts and assembly units of universal assembly devices for metal-cutting machines. Technical requirements. Methods of control. Marking, packing, transportation and storage
GOST 31.121.41-1984 Elements and assemblies of universal built-up and readjustable equipment for metal-cutting machines. Constructive elements. Basic parameters. Precision norms