Positive C : Continuous cutting L : Light interrupted cutting Inse r t N E G AT I V E T Y P E H : Heavy interrupted cutting DN P Steel LH H H LH H CL C CL CL C M Stainless L L H CL C L C CL C RE S Negative K Cast iron CL C CL CL C N Non- C D1 ferrous Rhombic, 55° S Superalloy CL C L L C IC with hole Hard H material Coated Cermet Uncoated Dimension (mm) Application AH8005 NS9530 AH8015 Chipbreaker Designation GH330 AH905 AH120 AH630 AH645 GH110 T9225 T9235 T6130 TH10 RE IC S D1 P DNGG150402R-P   0.2 12.7 4.76 5.16 DNGG150402L-P 0.2 12.7 4.76 5.16 Medium cutting   PCD / CBN DNGG150404R-P   0.4 12.7 4.76 5.16 DNGG150404L-P   0.4 12.7 4.76 5.16 DNGG150408R-P  0.8 12.7 4.76 5.16 30º DNGG150408L-P  0.8 12.7 4.76 5.16 HRM DNMG150404-HRM   0.4 12.7 4.76 5.16 Finishing to medium DNMG150408-HRM   0.8 12.7 4.76 5.16 DNMG150412-HRM   1.2 12.7 4.76 5.16 cutting DNMG150604-HRM   0.4 12.7 6.35 5.16 0.25 DNMG150608-HRM   0.8 12.7 6.35 5.16 DNMG150612-HRM   1.2 12.7 6.35 5.16 15º C HMM DNMG150404-HMM  0.4 12.7 4.76 5.16 DNMG150408-HMM  0.8 12.7 4.76 5.16 D DNMG150412-HMM  1.2 12.7 4.76 5.16 0.25 E 15º SA DNMG150404-SA  0.4 12.7 4.76 5.16 T DNMG150408-SA  0.8 12.7 4.76 5.16 DNMG150604-SA 0.4 12.7 6.35 5.16 Medium cutting  V DNMG150608-SA  0.8 12.7 6.35 5.16 18º W S DNMG150404R-S        0.4 12.7 4.76 5.16 DNMG150404L-S        0.4 12.7 4.76 5.16 Y DNMG150408R-S        0.8 12.7 4.76 5.16 DNMG150408L-S        0.8 12.7 4.76 5.16 OTHERS DNMG150604R-S      0.4 12.7 6.35 5.16 0.15 DNMG150604L-S      0.4 12.7 6.35 5.16 DNMG150608R-S       0.8 12.7 6.35 5.16 15º DNMG150608L-S      0.8 12.7 6.35 5.16  : Line up Reference pages: External toolholder → 3-50 - 3-52 2-48