DC DCON MS 9 S766 4-Flute Solid Carbide End Mill Short cut length, 4-flute design with unequal helix and differential pitch to reduce vibrations and improve surface finish in profile milling. TiSiN coating increases tool life and improves performance. Also suited for plunging, ramping and trochoidal milling. CHW×45° N NOF4= APMX l g OAL = 10° DC DIN 6535HA TiSiN h9 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 112. P1.1 P1.2 P1.3 P2.1 P2.2 P2.3 P3.1 P3.2 P3.3 P4.1 P4.2 M1.1 M1.2 M2.1 211 J 236 J 243 J 180 J 158 J 140 I 146 J 117 I 99 I 86 I 74 I 122 J 103 J 108 J M2.2 M3.1 M3.2 K1.1 K1.2 K1.3 K2.1 K2.2 K2.3 K3.1 K3.2 K3.3 K4.1 K4.2 89 I 100 I 86 I 208 J 154 J 116 J 214 J 174 J 139 I 189 J 145 J 117 I 176 I 132 I K4.3 K4.4 K4.5 K5.1 K5.2 K5.3 S1.2 S2.1 S3.1 S4.1 97 I 83 I 69 I 199 I 149 I 116 I 72 I 56 I 42 I 33 I DCON MS tolerance h6; CHW ± 0.02X45° mm. Product DC CHW DCON MS APMX OAL NOF [mm] [mm] [mm] [mm] [mm] S7664.0 4.00 0.10 6.00 11.00 57.0 4 S7665.0 5.00 0.10 6.00 13.00 57.0 4 S7666.0 6.00 0.10 6.00 13.00 57.0 4 S7668.0 8.00 0.20 8.00 20.00 64.0 4 S76610.0 10.00 0.20 10.00 22.00 72.0 4 S76612.0 12.00 0.20 12.00 26.00 83.0 4 S76614.0 14.00 0.30 14.00 26.00 83.0 4 S76616.0 16.00 0.30 16.00 32.00 92.0 4 S76620.0 20.00 0.40 20.00 38.00 104.0 4 40