OST 1 31021-77 Screws with twelve-slotted headScrews OST 1 31021-77 – this product has a twelve-slotted head and a threaded rod. 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
Material of manufacture: 13X11N2V2MF-Sh.
Coating of screws with zinc, chromium, nickel, cadmium, etc. is carried out in our own galvanic workshop. A multilayer coating is also available, such as copper-nickel (MN) or copper-nickel-chromium (MNX.6).
Name and designation of twelve-slotted screw with 6 mm thread diameter , 30 mm long, chemical pass coating:
Designation example: Screw 6-30-Chem.Pas-OST 1 31021-77
Product application areas strong >
These screws 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 OST 1 31021-77 : OST 1 31022-77, OST 1 31051-78, DIN, GOST, ISO