GOST 7817-80 Hexagon bolts with reduced headBolts GOST 7817-80 – bolts with hexagon reduced head of accuracy class And for holes from under the reamer. 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 features
a cylindrical rod with a thread and a hole from the reamer. The requirements for the accuracy class are imposed on the products, the standard provides for 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, for example, copper-nickel (M.N.) or copper-nickel-chromium (M.H.X.6).
Example of designation: Bolt M12-6gx60.58 GOST 7817 -80
Designation example: Bolt 2M12x1.25-6gx60.109.40X.016 GOST 7817-80
Product application areas
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.
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