Sandvik Coromant Threading Insert, Series: CoroThread 266, 266RL Insert, 16 Insert, Triangular Shape, Internal Thread, 60 deg Partial Profile Thread Standard, 0.059 to 0.118 in Pitch, 8 to 16 Threads per Inch, 3/8 in Inscribed Circle, 0.156 in Thickness, ANSI Code: 266RL-16VM01A002EE 7015, ISO Code: 266RL-16VM01A002EE 7015, A Chipbreaker, 0.004 in Corner Radius, 60 deg Included Angle, Manufacturers Grade: 7015, Right Hand Cutting Direction, Carbide, TiN, Material Grade: H