HM high performance drill tips

The line of HM high-performance drill bits are designed and produced by Ronzoni Srl located in Presezzo (Bergamo), Italy include, carbide coated and with internal cooling.
The HM high-performance drill bit are used to improve the efficiency of
lubrication on the cutting edge and to facilitate chip evacuation in deep drilling.
The Ronzoni Srl in Bergamo has dedicated years to the creation of standard tools of the highest quality and their HM high performance products to best satisfy the individual needs of each customer.