1.Made of high quality high speed steel to increase the endurance of cutting edges;

2.Multi-cut geometry for ply-cutting to improve performance of centering as well as removal of chips;

3.Various performance of products to meet requirements of hole cutting on various materials;

4.Weldon shank , with more stable clamping for stable cutting and finish of holes.

5.Applicabe to hole cutting and process of annular groove on varius magnetic drills and press,like Alfra ,Euroboor,BDS,Ruko.