Sandvik Coromant Threading Insert, Series: CoroThread 266, 266RG Insert, 16 Insert, Triangular, External, NPT, 8, 3/8 in Inscribed Circle, 0.156 in Thickness, ANSI Code: 266RG-16NT01C080M 1125, ISO Code: 266RG-16NT01C080M 1125, C Chipbreaker, Positive Rake, 60 deg Included Angle, Manufacturers Grade: 1125, Right Hand Cutting, Carbide, PVD-TiCrAlN+TiAlN Coated, Material Grade: H, K, M, N, P, S