Lock Washer M4 A2 St/Stl External Star DIN 6798

Star Washer
External
Stainless Steel A2 Grade 304
Dia: M4
DIN: 6798 A
A DIN 6798 A washer, made from A2 (Grade 304) stainless steel, is an external tooth lock (star) washer with sharp, twisted teeth. Its primary purpose is to resist loosening from vibration by biting into the mating surface, and it is suitable for general engineering and electrical applications in moderate environments.