S791 3 & 4 - Flute Solid Carbide Barrel End Mill Medium cutting length 3 & 4-flute design with large tangential radius and ball nose to increase contact with workpiece to reduce cycle time and improve surface finish of steep walls. AlCrN coating increases service life and improves performance. For semi-finishing and finishing. NOF 3-4 l g 30° 8° DIN 6535HA Workpiece material group suitability and starting values for cutting speed (m/min). Letter code feed table can be found on page 22. P1.1 P1.2 P1.3 P2.1 P2.2 P2.3 P3.1 P3.2 P3.3 P4.1 P4.2 P4.3 M1.1 M1.2 161 F 181 F 186 F 138 F 121 F 108 E 112 F 90 E 76 E 66 E 57 E 46 E 94 F 79 F M2.1 M2.2 M3.1 M3.2 M3.3 M4.1 K1.1 K1.2 K1.3 K2.1 K2.2 K2.3 K3.1 K3.2 83 F 69 E 77 E 66 E 59 E 58 E 161 F 119 F 89 F 165 F 134 F 107 E 146 F 112 F K3.3 K4.1 K4.2 K4.3 K4.4 K4.5 K5.1 K5.2 K5.3 N1.1 N1.2 N1.3 N2.1 N2.2 90 E 136 E 102 E 75 E 64 E 54 E 154 E 115 E 89 E 355 I 267 I 179 I 179 F 160 F N2.3 N3.1 N3.2 N3.3 N4.1 N4.2 S1.1 S1.2 S2.1 S3.1 S4.1 115 F 187 F 109 F 56 F 187 F 72 F 58 E 56 E 43 E 33 E 26 E DCON MS tolerance h6; RE ±0.01 mm; PRFRAD(2) ±0.01 mm. Product DC RE PRFRAD(2) DCON MS APMX OAL NOF [mm] [mm] [mm] [mm] [mm] [mm] S7916.0 6.00 1.00 95.0 6.00 22.00 67.0 3 S7918.0 8.00 1.00 90.0 8.00 25.00 75.0 3 S79110.0 10.00 2.00 85.0 10.00 26.00 75.0 4 S79112.0 12.00 2.00 80.0 12.00 28.00 83.0 4 S79116.0 16.00 3.00 75.0 16.00 31.00 90.0 4 33