OST 1 31535-80 Screws With a semicircular head
Instead of standard 3169A.Corresponds to standard 3169A.
Description of the product design and its features
The design of the screw consists of a semicircular head with a slot and a cylindrical rod with carving.
Allowed Areas of application of the product longer screws at intervals. 2 mm for screws up to 100 mm in length, 4 mm for screws over 100 mm in length
The scope of the product of such screws should be agreed with the head standardization organization
Material of manufacture: ЛС59- 1 hard.
Screws are coated with zinc, chromium, nickel, cadmium, etc. in our own electroplating workshop. A multilayer coating is also available, for example, copper-nickel (M.N.) or copper-nickel-chromium (M.N.X.6).
Designation example: Screw 6-24-Ц-ОСТ 1 31535-80
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.