Sandvik Coromant Threading Insert, Series: CoroThread 266, 266RG Insert, 22 Insert, Triangular Shape, External Thread, 60 deg Partial Profile Thread Standard, 0.138 to 0.236 in Pitch, 4 to 7 Threads per Inch, 1/2 in Inscribed Circle, 0.219 in Thickness, ANSI Code: 266RG-22VM01A001M 1020, ISO Code: 266RG-22VM01A001M 1020, A Chipbreaker, Negative Rake, 0.019 in Corner Radius, 60 deg Included Angle, Manufacturers Grade: 1020, Right Hand Cutting Direction, Carbide, PVD-TiN Coated, Material Grade: H, K, M, N, P, S