GOST R 55739-2013 (EN 1665: 1997) Hexagon head bolts with flangeBolts GOST R 55739-2013 – hexagon head bolts with flange. 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
rod with full thread. 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.
1 Designation of a hex head bolt with a flange, M12 thread, nominal length 80 mm, type F or U as selected by the manufacturer and strength class 8.8:
Designation example: Hexagon head bolt with flange GOST R 55739 – М12х80 – 8.8
2 Designation of hexagon head bolts with flange, s M12 thread, nominal length 80 mm, type F, and strength class 8.8:
Example of designation: Hexagon head bolt with flange GOST R 55739 – М12х80 – F – 8.8
3 Designation hexagon head bolt with flange, with M12 thread, nominal length 80 mm, type F or U at the manufacturer’s choice, with reduced shank (R) and strength class 8.8:
Designation example: Hexagon bolt with flange GOST R 55739 – М12х80 – R – 8.8
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.
analogs of G OST r 55739-2013: DIN, GOST, ISO