9 Suitability and starting values for cutting speed (vc), feed (f) and depth of cut (ap). Refer to our Machining Calculator app for further calculations. Product RE P M K N S Hvcfapvcfapvcfapvcfapvcfapvcfap [mm] [m/min] [mm/tooth] [mm] [m/min] [mm/tooth] [mm] [m/min] [mm/tooth] [mm] [m/min] [mm/tooth] [mm] [m/min] [mm/tooth] [mm] [m/min] [mm/tooth] [mm] 1 E 33° M geometry with positive design for light to medium machining. LNGX 120512ER-M M8330 1.2 230 0.15 3.0 – – – 215 0.15 3.0 – – – – – – – – – M8340 1.2 210 0.15 3.0 – – – 195 0.15 3.0 – – – – – – – – – LNGX 120516ER-M M8330 1.6 240 0.15 3.0 – – – 225 0.15 3.0 – – – – – – – – – M8340 1.6 220 0.15 3.0 – – – 205 0.15 3.0 – – – – – – – – – LNGX 120520ER-M M8310 2.0 280 0.15 3.0 – – – 265 0.15 3.0 – – – – – – – – – M8330 2.0 255 0.15 3.0 – – – 240 0.15 3.0 – – – – – – – – – M8340 2.0 230 0.15 3.0 – – – 215 0.15 3.0 – – – – – – – – – 0,15 3° S 28° R geometry with positive design for unstable cutting conditions. LNGX 120508SR-R 8215 0.8 205 0.20 3.5 – – – 190 0.20 3.5 – – – – – – – – – M5315 0.8 265 0.20 3.5 – – – 250 0.20 3.5 – – – – – – – – – M8310 0.8 220 0.20 3.5 – – – 205 0.20 3.5 – – – – – – – – – M8330 0.8 205 0.20 3.5 – – – 190 0.20 3.5 – – – – – – – – – M8340 0.8 185 0.20 3.5 – – – 175 0.20 3.5 – – – – – – – – – M9315 0.8 265 0.20 3.5 – – – 250 0.20 3.5 – – – – – – – – – M9325 0.8 250 0.20 3.5 – – – 235 0.20 3.5 – – – – – – – – – M9340 0.8 225 0.20 3.5 – – – – – – – – – – – – – – – LNGX 120516SR-R 8215 1.6 225 0.20 3.5 – – – 210 0.20 3.5 – – – – – – – – – M8330 1.6 225 0.20 3.5 – – – 210 0.20 3.5 – – – – – – – – – M8340 1.6 205 0.20 3.5 – – – 190 0.20 3.5 – – – – – – – – – M9325 1.6 275 0.20 3.5 – – – 260 0.20 3.5 – – – – – – – – – E 33° MF geometry with highly positive design for light machining. LNGX 120504ER-MF M6330 0.4 175 0.15 1.0 125 0.14 1.0 – – – – – – – – – – – – M8340 0.4 190 0.15 1.0 110 0.14 1.0 – – – – – – – – – – – – M9340 0.4 240 0.15 1.0 140 0.14 1.0 – – – – – – – – – – – – LNGX 120508ER-MF M6330 0.8 210 0.15 1.0 150 0.14 1.0 – – – – – – – – – – – – M8340 0.8 225 0.15 1.0 135 0.14 1.0 – – – – – – – – – – – – M9340 0.8 285 0.15 1.0 170 0.14 1.0 – – – – – – – – – – – – 0,07 20° S 28° MM geometry with positive design for light to medium machining. LNGX 120508SR-MM M6330 0.8 190 0.15 2.8 135 0.14 2.8 – – – – – – – – – – – – M8340 0.8 200 0.15 2.8 120 0.14 2.8 – – – – – – – – – – – – M8345 0.8 160 0.15 2.8 95 0.14 2.8 – – – – – – – – – – – – M9340 0.8 255 0.15 2.8 150 0.14 2.8 – – – – – – – – – – – – 457