WIDIA, 3954474, Milling Insert, Series: HNPJ-GD, HNPJ Insert, Hexagon Shape, 1/2 in Inscribed Circle, 0.175 in Thickness, GD Chipbreaker, 0.047 in Corner Radius, 0.197 in Diameter Hole, Manufacturer's Grade: TN6540, ANSI Code: HNPJ0704ANSNGD TN6540, ISO Code: HNPJ0704ANSNGD TN6540, Ambidextrous Hand of Insert, Carbide, PVD-TiAlN Nanolayer Coated, Cast Iron, High Temperature Alloy, Steel and Stainless Steel Material Application