IC 7° D1 9 TCMT IC D1 L S [mm] [mm] [mm] [mm] 60° 16T3 9.525 4.4 16.5 3.97 RE 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/rev] [mm] [m/min] [mm/rev] [mm] [m/min] [mm/rev] [mm] [m/min] [mm/rev] [mm] [m/min] [mm/rev] [mm] [m/min] [mm/rev] [mm] 1 E 15° FM geometry for finish to semi-rough machining, continuous to slightly interrupted cuts. TCMT 16T304E-FM T8315 0.40 155 0.12 1.7 90 0.11 1.7 145 0.12 1.7 465 0.14 1.7 – – – – – – T8330 0.40 150 0.12 1.7 90 0.11 1.7 140 0.12 1.7 450 0.14 1.7 – – – – – – TCMT 16T308E-FM T8315 0.80 170 0.17 1.7 100 0.15 1.7 160 0.17 1.7 510 0.20 1.7 – – – – – – T8330 0.80 160 0.17 1.7 95 0.15 1.7 150 0.17 1.7 480 0.20 1.7 – – – – – – 658