The Magic Drill line-up provides excellent drilling precision with less variation in cutting diameter. It's optimal web thickness design reduces chattering with a low cutting force. The DRV unique auter and inner patterns allow smooth chip evacuation bot in cutting and deep-hole drilling. 

Effective and high speed machining is possible with the combination of outer edge and inner edge inserts.Also, economical 4 sided inserts are an excellent money inversion compare with other solutions.