A ring drill is a hollow cylinder with a cutting edge on the end. An annular groove is obtained as a result of drilling.
Advantages of ring drills:
- The optimal sharpening angle makes ring drills universal for various steels.
- The geometry of the drill prevents excessive heating and facilitates the easy removal of chips, the load on the teeth is evenly distributed.
- The shape of the teeth and the spiral of ring drills minimizes the pressure on the processed material.
