1 It is suitable for structural steel, alloy steel, stainless steel, gray iron, ductile iron, ferrous metals with short cutting and nickel-based alloys, as well as titanium alloy. 2 Made by world latest simultaneous 5-AXIS CNC tools grinder. 3 Super TiALN reduces the coeffiction of friction and make the tool's life longer. 4 The optimal cutting edges and flutes ensure that the chip-breaking and chip-flowing proceed smoothly during drilling.