What's washer?
Avril Xu
BAIDU
2023-10-08 13:45:50
Washers: flat circular shape of a class of fasteners. Placed on the bolt, screw or nut support surface and connection between the surface of the parts, play a role in increasing the contact surface area of the connected parts, reduce the pressure per unit area and to protect the connected parts surface is not damaged; another type of elastic washer, but also play a role in preventing the nut back to the role of loose.