GOST 7798-70. Hexagon head bolts

Bolts according to GOST 7798-70 are fasteners with a hexagonal head and full or partial thread, corresponding to the Soviet standard. They are intended for use in mechanical engineering, construction and other industries where reliable connections are required. Bolts are made of various materials, such as carbon and alloy steel, and can have different coatings for corrosion protection. The standard defines the dimensions, tolerances and technical conditions for the production of these bolts. Material: 40x, St3, St20, St35, St45, 09G2S, 20x13, 14x17n2, 12x18n10t, etc. Coating: uncoated, galvanized, with thermodiffusion coating Diameter: M6, M8, M10, M12, M16, M20, M24, M27, M30, M36, M42, M48, M52 and more