18° D1 9 AC002 KS 1635 K.FMH32 AC003 KS 2040 K.FMH40 SOMT 09 IC D1 L S [mm] [mm] [mm] [mm]09T39.5503.509.553.97 RE IC = L S Suitability and starting values for cutting speed (vc), feed (f) and depth of cut (ap). Conditions are valid for setting angle 90°. 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] 0,12 1 S 15° 0° M geometry with positive design for medium machining. SOMT 09T308-M 8215 0.8 275 0.14 2.5 165 0.13 2.5 260 0.14 2.5 – – – 65 0.13 2.0 – – – M5315 0.8 390 0.14 2.5 – – – 370 0.14 2.5 – – – – – – – – – M8330 0.8 270 0.14 2.5 160 0.13 2.5 255 0.14 2.5 – – – 65 0.13 2.0 – – – M8340 0.8 250 0.14 2.5 150 0.13 2.5 235 0.14 2.5 – – – 60 0.13 2.0 – – – M9315 0.8 380 0.14 2.5 – – – 360 0.14 2.5 – – – – – – – – – 0,06 S 18° 14° MI geometry with stable positive design for medium machining. SOMT 09T304-MI 8215 0.4 230 0.14 2.5 135 0.13 2.5 215 0.14 2.5 – – – 55 0.10 2.0 – – – M8310 0.4 255 0.14 2.5 130 0.13 2.5 240 0.14 2.5 – – – – – – – – – M8330 0.4 230 0.14 2.5 135 0.13 2.5 215 0.14 2.5 – – – 55 0.10 2.0 – – – M8340 0.4 210 0.14 2.5 125 0.13 2.5 195 0.14 2.5 – – – 50 0.10 2.0 – – – M9315 0.4 320 0.14 2.5 – – – 300 0.14 2.5 – – – – – – – – – M9340 0.4 265 0.14 2.5 155 0.13 2.5 – – – – – – 65 0.10 2.0 – – – 0,07 S 18° 14° P geometry with highly positive design for medium machining. SOMT 09T304-P M8330 0.4 250 0.14 2.5 150 0.13 2.5 235 0.14 2.5 – – – 60 0.10 2.0 – – – M8340 0.4 230 0.14 2.5 135 0.13 2.5 215 0.14 2.5 – – – 55 0.10 2.0 – – – M9325 0.4 320 0.14 2.5 – – – 300 0.14 2.5 – – – – – – – – – 470