Pramet Turning Insert, DNMG Insert, 442 Insert, Diamond, 0.118 in Maximum Depth of Cut, 1/2 in Inscribed Circle, 1/4 in Thickness, 0.61 in Length, 15 Seat, Negative Rake, FM Chipbreaker, 1/32 in Corner Radius, 0.203 in Hole Dia, Manufacturers Grade: TT310, ANSI Code: DNMG 442-FM TT310, ISO Code: DNMG 150608E-FM TT310, 55 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: M, P, For Use On: Stainless Steel and Steel