Seco Secomax Turning Insert, SCMN Insert, 090408 Insert, Squared, 3.75 mm Maximum Depth of Cut, 9.53 mm Inscribed Circle, 4.76 mm Thickness, 9.53 mm Width, 9.53 mm Length, 09 Seat, WZ Chipbreaker, 0.8 mm Corner Radius, Manufacturers Grade: CBN300, ANSI Code: SCMN332S-WZ-85 CBN300, ISO Code: SCMN090408S-WZ-85 CBN300, 90 deg Included Angle, 7 deg Relief Angle, PCBN, Uncoated, Material Grade: K, For Use On: Cast Iron