Description( including bridge), as well as for metal structures used in heavy engineering. They are used together with nuts (hex, square, welded and in the counter part of the fastening). 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
threaded rod. 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 22353-77.pdf< p> An example of a symbol for a bolt with a thread diameter of 20 mm, a tolerance field of 6g, a length of 100 mm, with the smallest resistance time 1100 MPa (110 kgf / cm2), climatic version Y, placement category 1:
: Bolt М20-6gх100.110 GOST 22353-77
Same, climatic modification У, placement category 1:
Explanation of designation: Bolt М20-6gX100.110 ХЛ1 GOST 22353-77
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 >