GOST 7798-70 Hexagon head bolts of accuracy class B. | Zavod mir
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Bolts GOST 7798-70 – bolts with a hex head of accuracy class B. They are used together with nuts (hex, square). The use of washers of various configurations (grovers, flat, etc.) will help make the connection more secure.

SKU: ГОСТ 7798-70 Categories: , Tag:

Description

GOST 7798-70 Bolts with a hexagon head of accuracy class B

Bolts GOST 7798-70 – bolts with a hexagon head of accuracy class B. Used together with nuts (hex, square). 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. Products must be manufactured with accuracy class B.

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 7798-70.pdf

< p> Example of a symbol for a bolt of version 1 with a thread diameter d = 12 mm, with a turnkey size of 1 8 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 (S18) GOST 7798-70

The same, version 2, with a “turnkey” size S = 19 mm, with a fine thread pitch with a field tolerance 6g, strength class 10.9, made of steel grade 40X, coated 01 with a thickness of 6 microns:

Explanation of designation: Bolt 2М12х1.25-6gx60.109.40Х.016 GOST 7798-70

Product Applications

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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