GOLD RUSH GRADES FOR HOLEMAKING APPLICATIONS IN1030 (PVD) CAST IRON, STAINLESS, TITANIUM Great for tough, slower speed applications. A good option when machine rigidity is an issue. IN2505 (PVD) GENERAL PURPOSE An improvement over the current IN2005 grade, IN2505 has a multi-layered PVD coating for a wide variety of materials. IN6505 (CVD) STEEL APPLICATIONS A 10μm thick layer has been added to the CVD coating that enhances toughness and wear resistance. It makes this grade suitable for high speed steel machining. 257