OST 1 31056-80 Bolts with 90-degree countersunk head, steppedBolts OST 1 31056-80 are special fasteners because the bolt structure is in steps, which are expressed in a decrease in the diameter of the rod, suitable for fastening one or more parts. Use will also require nuts (hex, square, or weld). The use of washers of various configurations (grovers, flat, etc.) will help to make the connection more reliable.
Description of the product design and its features
stepped threaded rod in the thin part.
Material of manufacture steel grade 30HGSN2A-VD.
Coating of bolts with zinc, chrome, 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 90 degree countersunk head bolt °, with a diameter of 6 mm and a length of 24 mm coated with Kd9.ammonium chloride.phos.ox:
Explanation of designation: Bolt 6-24-K.d.phos.ox-OST 1 31056-80< p> 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 31056-80: DIN, GOST, ISO