Washer

Washer is divided into: flat washer-c level, and big washer-a, and c level, and King washer-c level, and small washer-a, level, and flat washer-a, level, and flat washer-pour angle type-a, level, and steel with high strength washer, and spherical washer, and cone washer, and beam with party oblique washer, and slot steel with party oblique washer, and standard type spring washer, and light spring washer, and heavy spring washer, and within tooth lock tight washer, and within sawtooth lock tight washer, and outside tooth lock tight washer, and outside sawtooth lock tight washer, and single ear check moving washer, and double ear check moving washer, and outside tongue check moving washer, and Circular nut with lock washer.
Flat washer for general use in the connector is made of soft, one is hard and crunchy texture, its main role is to increase the contact area, dispersing pressure to prevent crushing of soft. Spring washer spring's basic role is to tighten the nut after nut is a force, increasing the friction between the nut and bolt! Materials for the 65Mn (spring steel), heat treatment hardness of HRC44~51HRC, surface oxidation treatment.