GOST 7795-70 bolts with a reduced hex head and a guide head.Bolts GOST 7795-70 – bolts with a reduced hex head and a guide head of accuracy class B. Use will also require nuts (hex, square, or weld). The use of washers of different configurations (grovers, flat, etc.) will help to make the connection more reliable. guide head and cylindrical rod with full thread. The requirements for the accuracy class are imposed on the products, the standard stipulates C.
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 7795-70.pdf< p> An example of a designation of a bolt of version 1 with a thread diameter d = 12 mm, a length of 60 mm, with a large thread pitch with a tolerance field of 6g, strength class 5.8, uncoated:
Explanation of designation: Bolt M12-6gx60 .58 GOST 7795-70
The same, version 2, with a fine 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:
Explanation of designation: Bolt 2M12x1,25-6gx60.109.40Х.016 GOST 7795-70
Product application areas
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.
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