KYOCERA Indexable Drilling Insert, 4-Cutting Edge Outboard Positive Rake, Series: DRV Magic Drill, SCMT Insert, #070305 Insert, Square Shape, 0.3012 in Inscribed Circle, 0.126 in Thickness, GM-E Chipbreaker, 0.0197 in Corner Radius, 0.1378 in Diameter Hole, Manufacturer's Grade: PR1225, 90 deg Included Angle, ANSI Code: SCMT070305GMEPR1225, Right Hand of Insert, ISO Code: SCMT070305-GM-E, Stainless Steel, Carbon/Alloy Steel, Tool Steel and Cast Iron, For Use On: Carbon/Alloy Steel, Cast Iron, Stainless Steel and Tool Steel, Carbide, PVD-MEGACOAT, Material Grade: M, P, K