These British manufactured High Speed Steel Ground Thread, Threading Dies have a machined lead-in for ease of use and accurate thread cutting. These Dies are also split to facilitate the fine adjustment of core diameter.

Please make your size selection from the drop down menu and select the O.D.(Outside Diameter)for the die from the  letter list.

Die Outside Diameter

13/16"  (M3-M7)
1"      (M8-M10)
1-5/16" (M12-M14)
1-1/2"  (M14-M20)
2"      (M20-M27)
3"      (M30-M40)