The elastic pad is widely used in the load-bearing and non-load-bearing structures of general mechanical products. It is characterized by low cost, convenient installation, and is suitable for parts with frequent assembly and disassembly.

Spring washers are often called elastic pads in the screw industry. Its materials are stainless steel and carbon steel, and carbon steel is iron. Generally used spring washers are M3, M4, M5, M6, M8, M10. M12, M14, M16. These specifications are more commonly used. The national standard for spring washers is GB/T 94.1-87, which stipulates a standard elastic pad with a specification of 2-48mm.

Usually 65MN spring steel or 70 #carbon steel, 3Cr13, stainless steel material SUS304 or SUS316 and phosphor bronze material can also be used