OST 1 31565-80 SCREWS WITH SEMI-SECRET HEAD
Instead of standard 3189A anti threaded rod.
Material of manufacture: 30HGSA.
Coating of screws with zinc, chromium, nickel, cadmium, etc. is carried out 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).
Screw OST 1 31565-80 – normal 3189A ant. pdf
Designation example: Screw 6-24-Ts-OST 1 31565-80
Product application areas
These screws 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.