DC DN DCON MS 9 S521 4-Flute Solid Carbide Corner Radius End Mill Extra short cut length, 4-flute design with different corner radius available and neck recess provides high rigidity for milling contours when corner radius is required. TiSiN coating improves performance and 45° helix is designed for high performance machining in hardened materials up to 63HRC. RE N NOF4 APMX l g LU 45° -10° OAL 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; RE ±0.01 mm. Product DC RE DCON MS APMX OAL NOF LU DN [mm] [mm] [mm] [mm] [mm] [mm] [mm] S5213.0XR0.3 3.00 0.30 6.00 4.00 60.0 4 14.00 2.80 S5214.0XR0.3 4.00 0.30 6.00 5.00 60.0 4 16.00 3.70 S5214.0XR0.5 4.00 0.50 6.00 5.00 60.0 4 16.00 3.70 S5215.0XR0.3 5.00 0.30 6.00 6.00 60.0 4 18.00 4.60 S5215.0XR0.5 5.00 0.50 6.00 6.00 60.0 4 18.00 4.60 S5216.0XR0.5 6.00 0.50 6.00 7.00 60.0 4 20.00 5.50 S5216.0XR1.0 6.00 1.00 6.00 7.00 60.0 4 20.00 5.50 S5218.0XR0.5 8.00 0.50 8.00 9.00 64.0 4 26.00 7.40 S5218.0XR1.0 8.00 1.00 8.00 9.00 64.0 4 26.00 7.40 S52110.0XR1.0 10.00 1.00 10.00 11.00 70.0 4 31.00 9.20 S52110.0XR2.0 10.00 2.00 10.00 11.00 70.0 4 31.00 9.20 S52112.0XR1.0 12.00 1.00 12.00 13.00 75.0 4 37.00 11.00 S52112.0XR2.0 12.00 2.00 12.00 13.00 75.0 4 37.00 11.00 S52116.0XR1.0 16.00 1.00 16.00 17.00 90.0 4 43.00 15.00 S52116.0XR2.0 16.00 2.00 16.00 17.00 90.0 4 43.00 15.00 S52116.0XR3.0 16.00 3.00 16.00 17.00 90.0 4 43.00 15.00 64