Need the dimensions so you can make your own carbide? Not sure of the tip flat, depth of cut, lead angle etc?
You will get all the dimensions, and a recommended MOP for the WORM you can make.
1) Pitch, Module or Circular Pitch
2) Pressure Angle
3) Stock size OD you plan to use for the worm
Also, this will work on CNC and manual lathes, More details upon purchase.