OST 1 31187-80 BOLTS WITH SECRET HEADBolts OST 1 31187-80 is a specialized fastener with a head without sharp edges. 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 < /p>
a slot and a cylindrical rod with a shortened threaded part.
Material of manufacture: 07Х16Н6-Ш.
Bolts are coated with zinc, chromium, nickel, cadmium, etc. in our own galvanic workshop. A multilayer coating is also available, for example, copper-nickel (M.N.) or copper-nickel-chromium (M.N.X.6).
Example of designation: Bolt 6 – 24 – Ц – ОСТ 1 31187-80
These bolts are used in many industries. Increased demand for products, in particular, is observed in the aircraft and machine-building industries, as well as in construction, energy and metalworking, where they are used for reliable fastening of parts and metal structures.
ANALOGUES p >