GOST 18746-80 is a headless set screw, which is a metal rod with an incomplete metric thread. This set screw is designed to securely fasten metal products to each other, preventing lateral loosening.
Fastening group of GOST 18746-80
Most often, screws of State Standard GOST 18746-80 are made of stainless steel and belong to the stainless fasteners group.
Materials for the manufacture of GOST 18746-80 screws
Screws of GOST 18746-80 are made of the following materials:
- Steel, which can be optionally coated with zinc. Zinc (Plated) protects against corrosion if the fasteners are to be used in aggressive environments.
- Stainless steel grades A1 and A4. Allows the use of fasteners at significant temperature changes and in aggressive and humid environments.
Scope of use of GOST 18746-80 screws
The set screw is designed to fasten various components of machines and mechanisms to each other; it can also be used to fasten various building structures. Since the screw has no head, the pin is completely immersed in the hole and does not protrude above the surface. It has a small threaded portion, but provides a secure fit.
