SS Washers, Duplex Steel Plain Washer, Serrated Star Washer, Tab Washer Manufacturer & Exporter Chamunda Industries are one of the renowned manufacturer, exporter, stockist, stock holder and supplier of a qualitative range of Washers Fastener that are being designed as per the national and international standard quality of raw materials. A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer).