OST 1 13458-78 ScrewCorresponds to standard 4739A in part of standard size 4739A-1.
Screws according to OST 1 13458-78 are fasteners , which is a ring and a threaded metal rod, they fasten parts of metal parts with nuts to each other. Used together with nuts. For a more durable connection, washers (grovers) can be used.
Description of the design of the product and its features
The design of the screw consists of a ring and a cylindrical threaded rod. p>
Material of manufacture: steel grade 14X17H2.
Coating of screws with zinc, chromium, nickel, cadmium, etc. is carried out in our own galvanic workshop. A multilayer coating is also available, such as copper-nickel (M.N.) or copper-nickel-chromium (M.H.X.6).
Example of name and designation of a size 2 screw made of cadmium plated steel :
Example of designation: Screw OST 1 13458-78
Product application areas
Screws are used in many industries, construction and mechanical engineering. There is a high demand for a product in mechanical engineering, where such screws are used for reliable fastening, joining metal structures.
ANALOGUES OST 1 13458-78: DIN, GOST, ISO