Seco Secomax Turning Insert, SNMN Insert, 090312 Insert, Squared, 3.75 mm Maximum Depth of Cut, 9.53 mm Inscribed Circle, 3.18 mm Thickness, 9.53 mm Width, 9.53 mm Length, 09 Seat, 1.2 mm Corner Radius, 3.81 mm Hole Dia, Manufacturers Grade: CBN300, ANSI Code: SNMN323E CBN300, ISO Code: SNMN090312E CBN300, 90 deg Included Angle, 0 deg Relief Angle, PCBN, Uncoated, Material Grade: K, For Use On: Cast Iron