... shank 3.The TiCN, TiAIN is available HPD twist drills, stub & short & jobber & long length Application:Designed for accurate ... -centering, reducing thrust and improving accuracy.Reinforced web and stub length-increasing rigidity, reducing vibration and deflection.Premium Cobalt HSS ... in Stainless Steels. Premium HSS Co HPD Twist Drills, Stub Length.Premium HSS Co HPD Twist Drills, Jobber Length.HSS ...