DC DCON MS 9 S216 4-Flute Solid Carbide End Mill Short cut length, 4-flute design provides high rigidity for standard profile milling. AlTiN coating increases tool life and improves performance when milling difficult to machine materials. The 40° helix is designed for high performance machining. N NOF4 APMX l g OAL 40° 3° DC DIN 6535HA AlTiN 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. P4.3 M2.3 M3.3 M4.1 M4.2 S1.3 S2.2 S3.2 S4.2 80 J 80 J 82 I 80 I 68 I 58 I 47 I 33 I 27 I DCON MS tolerance h6. Product DC DCON MS APMX OAL NOF [mm] [mm] [mm] [mm] S2162.0 2.00 4.00 6.50 40.0 4 S2163.0XD3 3.00 3.00 9.00 40.0 4 S2163.0XD6 3.00 6.00 9.00 50.0 4 S2164.0XD4 4.00 4.00 12.00 50.0 4 S2164.0XD6 4.00 6.00 12.00 50.0 4 S2165.0 5.00 5.00 15.00 50.0 4 S2166.0 6.00 6.00 16.00 50.0 4 S2168.0 8.00 8.00 20.00 64.0 4 S21610.0 10.00 10.00 22.00 70.0 4 S21612.0 12.00 12.00 25.00 75.0 4 S21614.0 14.00 14.00 32.00 90.0 4 S21616.0 16.00 16.00 32.00 90.0 4 S21618.0 18.00 18.00 38.00 100.0 4 S21620.0 20.00 20.00 38.00 100.0 4 50