Kennametal Turning Insert, Screw-On, WPMT Insert, S3T104 Insert, Trigon, 1.25 mm Maximum Depth of Cut, 4.76 mm Inscribed Circle, 1.98 mm Thickness, 3.25 mm Length, 5 deg Positive Rake, LF Chipbreaker, 0.4 mm Corner Radius, 2.15 mm Hole Dia, Manufacturers Grade: KC5025, ANSI Code: WPMT15121LF KC5025, ISO Code: WPMTS3T104LF KC5025, 80 deg Included Angle, 11 deg Relief Angle, Carbide, PVD-AlTiN Coated, Material Grade: C2/C6, For Use On: Cast Iron, High Temperature Alloys, Non-Ferrous Metals, Steel and Stainless Steel