15° 11° D1 9 SPEW 12 AD IC D1 L M S [mm] [mm] [mm] [mm] [mm] M 1204 12.700 5.50 12.70 2 4.76 45° IC = L S 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] E ADEN edge preperation, zero rake angle geometry for light to medium machining. SPEW 1204ADEN M8330 – 220 0.20 12.0 – – – 205 0.20 12.0 – – – – – – 40 0.15 1.0 M8340 – 200 0.20 12.0 – – – 190 0.20 12.0 – – – – – – – – – 0,15 S ADSN edge preperation, zero rake angle geometry for medium machining. 20° SPEW 1204ADSN M8330 – 220 0.20 12.0 – – – 205 0.20 12.0 – – – – – – 40 0.15 1.0 M8340 – 200 0.20 12.0 – – – 190 0.20 12.0 – – – – – – – – – 501