GOST 7805-70 Hexagon head bolts of accuracy class ABolts GOST 7805-70 – bolts with hexagon head of accuracy class A. nuts (hex, square or welded). 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
rod with full thread. The requirements for the accuracy class are imposed on the products, the standard stipulates A.
Made of steel (normal or stainless), aluminum, PA 6.6 polyamide, brass, non-ferrous metal alloys with strength class 5.6; 5.8; 8.8; 10.9; 12.9. Or others as agreed with the customer.
Bolts are coated with zinc, chromium, nickel, cadmium, etc. in our own electroplating workshop. A multilayer coating is also available, such as copper-nickel (M.N.) or copper-nickel-chromium (M.N.X.6).
GOST 7805-70.pdf< p> An example of a designation of a bolt of version 1, with a thread diameter with a fine thread pitch, with a tolerance field of 6g, strength class 5.8, uncoated:
An example of designation: Bolt M12-6gx60.58 (S18) GOST 7805 – 70
The same, version 2, with a “turnkey” size S = 18 mm, length 60 mm, with a large thread pitch with a tolerance field of 6g, strength class 10.9, made of steel grade 40X, with a coating of 01 with a thickness of 6 microns:
Example of designation: Bolt 2M12x1.25-6gx60.109.40X.016 GOST 7805-70
Applications of the product
These bolts are used in many industries. 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.
analogs p >