The working principle of the safety nut is mainly realized through its unique structural design. It has a special mechanism inside that prevents the nut from being unscrewed by a rotating tool or other tool. Even if various tools are used, they cannot be opened, effectively protecting the safety of the connected parts.

Security nuts are typically used in applications where the male mating fastener is not in view or accessible, but the application must be secured to resist theft or tamper by securing the thread with a security nut.

A wide variety of security nuts, barrel nuts, security caps and enclosures.    

Permanent & reusable tamper proof nuts available from stock, with special sizes to order.

Most security nuts are available from stock, with other sizes and materials available to order.

It’s widely applied in the anti-theft for automotive car lighting, bicycle wheels, scooters etc.