Overview
GOST 17475-80 is a countersunk head screw, a fastener used in various fields (construction, woodworking, furniture manufacturing and many other areas). The main purpose of using countersunk head bolts is to make the fastening point invisible and flat.
Strength class GOST 17475-80
The screw of GOST 17475-80 is made of steel of strength class 4.8.
Fastening group of GOST 17475-80
Depending on the material of manufacture, the countersunk head and straight slot screws of GOST 17475-80 are divided into groups:
- Brass fasteners - fasteners made of brass
- Stainless steel fastener - a fastener made of stainless steel
- Polyamide fasteners - fasteners made of polyamide
Materials for the manufacture of screws GOST 17475-80
According to GOST 17475-80, screws are made of various materials:
- Brass, brass screws are used if the system is subjected to frequent dynamic, vibration and cyclic loads. ,
- Steel, strength class 4.8 and above, which can be additionally coated with zinc
- Stainless steel grades A2 and A4
- Polyamide, a polyamide screw can withstand mechanical shocks, does not crack or break at the permissible load factor.
Scope of application of GOST 17475-80 screws
Screws of GOST 17475-80 are widely used in:
- construction
- woodworking
- furniture production
- nuclear power engineering
