9 C907 Multi-Flute HSS-E-PM End Mill, Alcrona Coating Short cut length, 3, 4, 5 or 6 flute design provides high rigidity for general profile and ramp milling applications. With a 45° helix and designed for machining higher strength materials. Neck recess on cutting diameter equal to 10 mm and above. Alcrona coating improves performance and extends the tool life. HSS-EPM N NOF3-6 l g 45° 12° DC Alcrona k10 Workpiece material group suitability, starting values for cutting speed (m/min) and Alpha Code. Tables with feed per tooth and correction factors can be found starting from page 194. P2.2 P2.3 P3.1 P3.2 P3.3 P4.1 P4.2 P4.3 M1.1 M1.2 M2.1 M2.2 M3.1 M3.2 95 D 84 C 81 D 65 C 55 C 48 C 41 C 34 C 69 D 58 D 61 D 50 C 47 C 40 C M3.3 M4.1 K1.1 K1.2 K1.3 K2.1 K2.2 K2.3 K3.1 K3.2 K3.3 K4.1 K4.2 K4.3 36 B 25 B 60 D 44 D 33 D 111 D 90 D 72 C 98 D 75 D 61 B 91 C 68 C 50 C K4.4 K4.5 K5.1 K5.2 K5.3 N3.1 N3.2 S1.1 S1.2 S1.3 S2.1 S2.2 S3.1 S3.2 43 B 36 B 103 C 77 C 60 C 93 D 55 D 45 C 85 C 15 B 33 B 14 B 25 B 10 B S4.1 S4.2 20 B 8B DCON MS tolerance h6. Product DC DCON MS APMX OAL NOF LU DN [mm] [mm] [mm] [mm] [mm] [mm] C9073.0 3.00 6.00 8.00 52.0 3 – – C9074.0 4.00 6.00 11.00 55.0 3 – – C9075.0 5.00 6.00 13.00 57.0 3 – – C9076.0 6.00 6.00 13.00 57.0 3 – – C9078.0 8.00 10.00 19.00 69.0 4 – – C90710.0 10.00 10.00 22.00 72.0 4 31.50 9.50 C90712.0 12.00 12.00 26.00 83.0 4 37.50 11.50 C90714.0 14.00 12.00 26.00 83.0 4 37.50 11.50 C90716.0 16.00 16.00 32.00 92.0 4 43.50 15.50 C90718.0 18.00 16.00 32.00 92.0 4 43.50 15.50 C90720.0 20.00 20.00 38.00 104.0 4 53.50 19.50 C90722.0 22.00 20.00 38.00 104.0 5 53.50 19.50 C90725.0 25.00 25.00 45.00 121.0 5 64.50 24.50 C90728.0 28.00 25.00 45.00 121.0 6 64.50 24.50 C90730.0 30.00 25.00 45.00 121.0 6 64.50 24.50 C90732.0 32.00 32.00 53.00 133.0 6 72.50 31.50 147