KYOCERA Indexable Drilling Insert, 3-Cutting Edge Inboard Outboard Positive Rake, Series: Holeshot Drill & Coremaster Coredrill, WCMX Insert, #06T308 Insert, Trigon Shape, 3/8 in Inscribed Circle, 5/32 in Thickness, M1 Chipbreaker, 1/32 in Corner Radius, 0.146 in Diameter Hole, Manufacturer's Grade: KW10, ANSI Code: WCMX06T308M1KW10, Right Hand of Insert, ISO Code: WCMX06T308M1KW10, Non-Ferrous Metals, For Use On: Non-Ferrous Metals, Carbide, Uncoated, Material Grade: N