For the longest life possible, use it with FR1 copper clad rather than FR4.
* Note: If you have or are purchasing a Shapeoko, please be sure you are purchasing a precision collet and nut to be able to use these cutters.
|Ball tip||.005" (.0025" radius)|
|Degree Tip Angle||40°|
You'll get a pack of two (2) of these cutters.