Spring Coil Washer BZP M4 100PK

The Spring Coil Washer BZP M4 100PK is designed to prevent loosening in assemblies exposed to vibration and movement. Manufactured with a bright zinc plated finish for improved corrosion resistance, it delivers reliable long-term performance in a variety of applications. The spring coil design applies constant tension to fasteners, helping maintain a secure and stable connection. Ideal for mechanical, electrical, construction, and general engineering use, these washers provide dependable locking support for M4 fixings.