Belleville washers have the highest load capacity of all spring washers. This type of washer is used to solve spring problems of high loads, limited space and small deflections. Belleville washers are usually made from high carbon steel, spring-tempered phosphor bronze, beryllium copper or stainless steel.
Round Washers perform many functions. Flat washers are the most common way provide a way to properly seat nuts, bolts, screws and rivets. Washers help to insulate, seal, lock, space, align and distribute loads.
Also known as bowed or curved washers. Best suited for applications that require flexibility or the ability to provide torque or load. Wave washers come in various deflection ranges and degree of curvature.