DC DCON MS 9 S217 4-Flute Solid Carbide End Mill, Long Series Long cut length, 4-flute design provides high rigidity for profile milling deep walls. 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 64 J 64 J 65 I 64 I 54 I 46 I 38 I 26 I 22 I DCON MS tolerance h6. Product DC DCON MS APMX OAL NOF [mm] [mm] [mm] [mm] S2173.0XD3 3.00 3.00 19.00 60.0 4 S2173.0XD6 3.00 6.00 19.00 75.0 4 S2174.0XD4 4.00 4.00 19.00 60.0 4 S2174.0XD6 4.00 6.00 19.00 75.0 4 S2175.0 5.00 5.00 19.00 60.0 4 S2176.0 6.00 6.00 31.00 75.0 4 S2178.0 8.00 8.00 31.00 75.0 4 S21710.0 10.00 10.00 31.00 75.0 4 S21712.0 12.00 12.00 50.00 100.0 4 S21714.0 14.00 14.00 57.00 125.0 4 S21716.0 16.00 16.00 57.00 125.0 4 S21718.0 18.00 18.00 57.00 125.0 4 S21720.0 20.00 20.00 57.00 125.0 4 51