Product Description

Plain washers are usually thin pieces of various shapes, used to reduce friction, prevent leakage, isolate, prevent loosening or dispersing pressure. This component is found in many materials and structures to perform various similar functions. Limited by the material and process of threaded fasteners, the bearing surface of bolts and other fasteners is not large. Therefore, in order to reduce the pressure stress on the bearing surface and protect the surface of connected parts, washers are used. In order to prevent the looseness of the connecting pair, spring washer, multi tooth lock washer, round nut stop washer, saddle shaped, wave shaped and cone-shaped elastic washer are used.

Flat washer is also called flat washer. It is mainly pressed out with iron plate. Its shape is generally a flat washer with a hole in the middle. The size and specification of this hole are generally determined according to the customer's requirements.

There are nine standards for flat washers in China. Standards for flat washers such as GB / t97.3-2000, GB / t5286-2001, GB / t95-2002, GB / t96.1-2002, GB / t96.2-2002, GB / t97.1-2002, GB / t97.2-2002, GB / t97.4-2002 and GB / t5287-2002 have been approved and issued respectively from 2000 to 2002.