GOST 17475-80 Countersunk screwsScrews GOST 17475-80 – this product has a countersunk head. 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
The design of the screw consists of a countersunk head and threaded rod. Products must be manufactured with accuracy class A and B.
The diameter of the smooth part d1 must be equal to the outer diameter of the thread or equal to the diameter of the rod for rolling metric threads in accordance with GOST 19256-73.
By agreement between the consumer and the manufacturer, it is allowed to manufacture screws with lengths not specified by GOST 17475-80
Thread – according to GOST 24705-81. Runaway and undercutting of threads – in accordance with GOST 10549-80
Straight slots – in accordance with GOST 24669-81, cruciform – in accordance with GOST 10753-86.
Tolerances, methods of control of dimensions and form deviations and location of surfaces – according to GOST 1759.1-82.
Surface defects and control methods – according to GOST 1759.2-82.
Technical requirements – according to GOST 1759.0-87.
Manufactured from 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.
Screws 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.N.X.6).
Example of designation GOST 17475-80: countersunk head screw , accuracy class A, version 1, thread diameter d = 8 mm, with coarse thread pitch, with thread tolerance 6g, length l = 50 mm, normal thread length b = 22 mm, strength class 4.8, uncoated p>
Screw A.M8-6g 50.48 GOST 17475-80
Example of designation GOST 17475-80: accuracy class B, version 2, with fine thread pitch, extended thread length b = 34 mm, zinc coated 6 microns thick, chromated: Screw B2.M8x1-6g 50-34.48.016 GOST 17475-80
Product application areas
These screws 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.
ANALOGUES p >
GOST 17475-80 analogue GOST R ISO 2009-2013 Screws with a half-countersunk head with a slot. Accuracy class A
GOST 17475-80 analogue ISO 7046-1: 2011 Countersunk head screw Phillips type H or type Z. Accuracy class A Part 1
GOST 17475-80 analogue ISO 7046-2: 2013 Countersunk head screws with Phillips type H or type Z. Accuracy class A. Part 2.
GOST 17475-80 analogue DIN 963 – countersunk head screw with straight slot and full thread
GOST 17475-80 analogue DIN 965 – countersunk head screw with Phillips recess and full thread