9 C948 Multi-Flute HSS-E-PM Long Series Roughing End Mill, Alcrona Coating Long cut length, 4 or 6 flute design with an NRA profile to break chips for efficient roughing of deep profiles. A 35° helix reduces vibration and im- proves performance in roughing operations. Neck recess on cutting diameter equal to 10 mm and above. Alcrona coating improves performance and extends tool life. HSS-E NOF PM 4-6 l g 35° 12° DC Alcrona k12 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 83 F 73 E 72 F 58 E 49 E 43 E 37 E 30 E 59 F 50 F 53 F 43 E 42 E 36 E 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 32 D 23 D 55 F 41 F 31 F 97 F 79 F 63 E 86 F 66 F 53 E 80 E 60 E 44 E 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 38 D 31 D 90 E 68 E 52 E 83 F 49 F 41 E 34 E 15 D 32 D 14 D 24 D 10 D S4.1 S4.2 19 D 8D DCON MS tolerance h6. Product DC DCON MS APMX OAL NOF LU DN [mm] [mm] [mm] [mm] [mm] [mm] C9486.0 6.00 6.00 24.00 68.0 4 – – C9488.0 8.00 10.00 38.00 88.0 4 – – C94810.0 10.00 10.00 45.00 95.0 4 54.50 9.50 C94812.0 12.00 12.00 53.00 110.0 4 64.50 11.50 C94814.0 14.00 12.00 53.00 110.0 4 64.50 11.50 C94816.0 16.00 16.00 63.00 123.0 4 74.50 15.50 C94818.0 18.00 16.00 63.00 123.0 4 74.50 15.50 C94820.0 20.00 20.00 75.00 141.0 4 90.50 19.50 C94825.0 25.00 25.00 90.00 166.0 6 109.50 24.50 C94830.0 30.00 25.00 90.00 166.0 6 109.50 24.50 C94832.0 32.00 32.00 106.00 186.0 6 125.50 31.50 161