Castle Nuts

Castle nuts are designed for secure fastening in applications where locking and safety are critical, typically used with a split pin to prevent loosening. Commonly used in automotive, mechanical and engineering assemblies, these nuts provide reliable thread engagement and secure retention under vibration. Manufactured in A2 and A4 stainless steel, they offer excellent corrosion resistance for both internal and external environments.

Available in commonly used metric sizes and thread types, these nuts ensure accurate fit, dependable locking performance and consistent reliability across demanding mechanical and structural applications.