Overview
GOST 10450-78 is a flat washer (narrow, lining), a fastener that has a reduced outer diameter and almost does not protrude beyond the dimensions of the head of a standard bolt or nut. It is made of steel with a hardness of 140, 200 HV. They are used with screws that have a cylinder-shaped head. This product is also known as a backing washer or a reduced washer.
Fastener group of GOST 10450-78
- High-strength fasteners - made of high-strength steel
- Stainless fasteners - made of stainless steel.
Materials for the manufacture of washers in accordance with GOST 10450-78
- Steel, which can be additionally coated with zinc
- Stainless steel (A2, A4) does not require coating
Scope of application of washers of GOST 10450-78
GOST 10450-78 is used to increase the clamping area for various types of connections, reduce pressure on the surface of the connecting materials, and reduce friction between the nut and the surface of the part when tightening.
It is most commonly used in mechanical engineering, but due to its universal properties, it is used in almost all sectors of modern industry.
