Phospher Bronze Square Section Single Coil Spring Washers, Din7980
The spring washer DIN7980 is widely used in the load-bearing and non-force-bearing structures of general mechanical products. It is characterized by low cost, convenient installation, and suitable for the parts with frequent installation and disassembly
Usually use stainless steel material SUS304 or SUS316, and phosphorus bronze material.
The main function is under the nut to prevent the nut from loosening.