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We stock circular split dies and hexagon dienuts from Dormer and Volkel.


Hexagon dienuts are ideal for repairing threads. They are not adjustable. A standard wrench or spanner can be used to turn them.


Circular split dies are used for producing threads and are adjustable. They are used with a die stock.


Circular split dies and hexagon die nuts are available in metric coarse, metric fine, UNC, UNF, Whitworth(BSW), BSP, BSP and NPT threadforms.

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