9 C159 2-Flute HSS-E Slot End Mill, Bright Finish Short cut length, 2-flute design with 40° helix for milling slots, profile milling and ramping in softer materials, whilst the accurate diameter means standard keyway slots to P9 tolerance can be milled. Designed specifically for milling in non-ferrous materials. NOF 2 l g 40° 20° DC Bright e8 P9 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 194. P1.1 P1.2 P1.3 P2.1 P2.2 M1.1 M1.2 M2.1 M2.2 M3.1 M3.2 N1.1 N1.2 N1.3 46 D 52 D 54 D 40 D 35 D 32 D 27 D 28 D 23 C 22 C 19 C 142 F 107 E 72 E N2.1 N2.2 N2.3 N3.1 N3.2 N3.3 N4.1 N4.2 S1.1 72 D 64 D 46 D 75 D 44 D 22 D 75 D 29 D 28 C DCON MS tolerance h6. Product DC DCON MS APMX OAL NOF LU DN [mm] [mm] [mm] [mm] [mm] [mm] C1592.0 2.00 6.00 7.00 51.0 2 – – C1593.0 3.00 6.00 8.00 52.0 2 – – C1594.0 4.00 6.00 11.00 55.0 2 – – C1595.0 5.00 6.00 13.00 57.0 2 – – C1596.0 6.00 6.00 13.00 57.0 2 – – C1598.0 8.00 10.00 19.00 69.0 2 – – C15910.0 10.00 10.00 22.00 72.0 2 – – C15912.0 12.00 12.00 26.00 83.0 2 – – C15914.0 14.00 12.00 26.00 83.0 2 37.50 11.50 C15916.0 16.00 16.00 32.00 92.0 2 43.50 15.50 C15918.0 18.00 16.00 32.00 92.0 2 43.50 15.50 C15920.0 20.00 20.00 38.00 104.0 2 53.50 19.50 141