● Curved cutting edge design disperse the cuttingforce.it is not easy to cause chipping and wear due to stressconcentration,and facilitate chip removal.
● Nano composite Balzers-PT coating .superior wearesistance,longer tool life.
● Specially suitable for hole machining of carbon steel,alloy steel,stainless steeland other materials.
● Deep holedrill series L/D=12-30.