Round Head Flat Washers A Type , Flat Steel Washers For Mechanical Machine

Flat washer,which is called plain washer, mainly punched out from iron plates. The common shape of a flat washer is a hole in the central. The pore size specifications according to customer requirements. We can produce as customs request. That is customization. It has many standard: DIN125 DIN9021 F436, ect.

Plain washers, which spread a load, and prevent damage to the surface being fixed, or provide some sort of insulation such as electrical

Flat washer is generally used in fitting a soft texture, is a hard and brittle, its role is largely increase the contact area, dispersing pressure, prevent the quality of a material soft crush.
Flat mat is: 1, increase the contact area of the screw and machine 2, eliminate the trampoline at the time of discharge screw damage on the surface of the machine.Must be: when using a flat pad, spring pad flat pad close to the surface of the machine, spring cushion between the plain washers and nuts.Flat pad is in order to increase the screw surface.Spring pad to prevent screw loosening, force when a certain amount of buffering effect.Although flat mat can do sacrifice pad.But more often is used as supplement pad or flat mat.And the spring pad a lock.Such as the workpiece hole diameter value (S) and the screw diameter is too large when not using a flat mat or direct use of spring washers, will not only harm the artifacts.

Flat washer is generally used to distribute the load of a threaded fastener, such as a bolt, scres or nut. Other uses are as a spacer, spring (wave washer), wear pad, preload indicating device, locking device, and to reduce vibration , rubber washer. Washers usually have an outer diameter (OD) about twice larger than their inner diameter (ID).

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