Choose from our selection of die nuts, including thread repairing dies, screw thread dies, and more. Same and Next Day Delivery.

Die Nut | MSC Direct offers quality Die Nut at a great value. Find premium products to last a lifetime!

Choose from our selection of bearing locknut dies in a wide range of styles and sizes. Same and Next Day Delivery.

Choose from our selection of dies, including external thread cutting, external thread repairing, and more. Same and Next Day Delivery.

O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. Shop O'Reilly Auto Parts online.

Hexagon Rethreading dies are precision high carbon steel dies. Rethreading dies are extra thick to permit user to rethread damaged or jammed threads and are not intended for producing new threads on unthreaded bar, bolts, or pipes. Dies are same size as standard Hex Nuts. For best results and longest tool life, always use with cutting fluid.

Rethreading dies are extra thick to permit user to rethread damaged or jammed threads and are not intended for producing new threads on unthreaded bar, bolts, or pipes. Dies are same size as standard Hex Nuts. For best results and longest tool life, always use with cutting fluid.

A die nut, also known as a thread chaser, is used for sharpening an existing thread. It is run over threads that may have been damaged or blunted over time to correct them to their original condition.

Die Nuts. Die nuts are generally hexagonal in shape and used for cleaning existing threads. They can be used with a conventional adjustable spanner as the die stock. Die nuts unlike split dies are not adjustable and therefore can only cut the nominal thread size.