The Key M4 x 4 x 25 Form B is a precision-engineered component designed for secure fastening in mechanical assemblies. Made from high-quality carbon steel with a plain finish, this key provides excellent strength and durability. With dimensions of 4mm x 4mm x 25mm, it is suitable for a variety of applications, including automotive and industrial machinery. This key meets industry standards for quality and performance, ensuring reliable operation in demanding environments. Its compact size and robust design make it an essential tool for engineers and technicians alike.