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The main task of all locking fasteners is to prevent the threaded connection from loosening under the influence of vibrations, high loads and other factors arising during operation. Lock washer is no exception.
Fastening group of GOST 11872-89
The lock washer of GOST 11872-89 is most often made of stainless steel and belongs to the group of stainless fasteners.
Materials for the manufacture of GOST 11872-89 washers
The washer of GOST 11872-89 is made of:
- Steel, which can be additionally coated with zinc
- Stainless steel grade A2, this material does not require coating
Scope of application of washers of State Standard GOST 11872-89
The scope of application of the multi-lapped washer of GOST 11872-89 extends to virtually all industries. The product can be called universal in cases where it is necessary to create the strongest and most reliable connection. The washer together with the nut prevents the elements of the fastener assembly from disconnecting and self loosening under dynamic influences of any kind during operation.
