OST 1 31055-80 Hexagon head bolts, steppedCorresponds to the standard 3031A.
Bolts OST 1 31055-80 are special fasteners. as the design of the rod has a feature in thinning and threading on the thin part of the bolt rod, they can connect several parts at once, securing them with nuts. Used together with nuts (hex, square, welded). For a stronger connection, washers (grovers) can be used.
Description of the product design and its features
The bolt design consists of a reduced hex head and a cylindrical threaded rod.
Material of manufacture: steel grade 30HGSN2A-VD.
Coating of bolts with zinc, chromium, nickel, cadmium, etc. is carried out in our own galvanic workshop. Multilayer coatings are also available, such as Copper-Nickel (MN) or Copper-Nickel-Chromium (MNX.6).
Example of the name and designation of a 6mm hexagon head bolt mm and 24 mm long coated with Kd 9 ammonium chloride.ox phos:
Explanation of designation: Bolt 6-24-Kd.ox phos- OST 1 31055-80
Areas Product Applications
These bolts are used in many industries. An increased demand for products, in particular, is observed in the aircraft and mechanical engineering industries, as well as in construction, energy and metalworking, where they are used for reliable fastening of parts and metal structures.
ANALOGUES OST 1 31055-80: DIN, GOST, ISO