9 S561 4-Flute Solid Carbide End Mill Medium cut length, 4-flute design with 40° helix and gash-land to enable milling hard materials up to 70HRC. TiSiN coating improves perfor- mance and the differential pitch reduces vibrations, maximizing productivity and tool life. Square end design to produce sharp corners. N NOF4= l g 40° -6° 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. H1.1 H2.1 H2.2 H3.1 H3.2 H4.1 H4.2 119 I 70 G 60 E 78 G 64 G 50 E 42 B DCON MS tolerance h6. Product DC DCON MS APMX OAL NOF [mm] [mm] [mm] [mm] S5611.0 1.00 6.00 3.00 50.0 4 S5611.5 1.50 6.00 4.50 50.0 4 S5612.0 2.00 6.00 6.50 50.0 4 S5612.5 2.50 6.00 6.50 50.0 4 S5613.0 3.00 6.00 9.00 50.0 4 S5614.0 4.00 6.00 12.00 50.0 4 S5615.0 5.00 6.00 15.00 50.0 4 S5616.0 6.00 6.00 20.00 60.0 4 S5618.0 8.00 8.00 20.00 64.0 4 S56110.0 10.00 10.00 22.00 70.0 4 S56112.0 12.00 12.00 25.00 75.0 4 S56114.0 14.00 14.00 32.00 90.0 4 S56116.0 16.00 16.00 32.00 90.0 4 S56118.0 18.00 18.00 38.00 100.0 4 S56120.0 20.00 20.00 38.00 100.0 4 77