CWh CWh GH730GH730 NS9530 GF INSL RE P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated Cermet External Designation CW+00.1 RE INSL h Internal GF30 3 0.2 z z 10 3.5 GF40 4 0.2 z z 10 4 GF50 5 0.2 z z 12 4.5 Face z: Line up Parting Others GN RE INSL P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated Designation CW+00.1 RE INSL h GN30 3 0.2 z 10 3.5 GN40 4 0.2 z 10 4 GN50 5 0.2 z 12 4.5 z: Line up Reference pages: Toolholders → F188, Standard cutting conditions → F193 F190 www.tungaloy.com