9 S770HB 5-Flute Solid Carbide End Mill Short cut length, 5-flute design with unequal helix to reduce vibrations especially when using the cutter in dynamic milling strategies. AlCrN coating improves performance and extends the tool life. Suited for trochoidal and shoulder milling, ramping and helicoidal interpolation milling. N NOF5 l g = 10° DC AlCrN 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. P1.1 P1.2 P1.3 P2.1 P2.2 P2.3 P3.1 P3.2 P3.3 P4.1 P4.2 M1.1 M1.2 M2.1 211 I 236 I 243 I 180 I 158 I 140 I 146 I 117 I 99 I 86 I 74 I 122 I 103 I 108 I M2.2 M3.1 M3.2 K1.1 K1.2 K1.3 K2.1 K2.2 K2.3 K3.1 K3.2 K3.3 K4.1 K4.2 89 I 100 I 86 I 208 I 154 I 116 I 214 I 174 I 139 I 189 I 145 I 117 I 176 I 132 I K4.3 K4.4 K4.5 K5.1 K5.2 K5.3 S1.2 S2.1 S3.1 S4.1 97 I 83 G 69 G 199 I 149 I 116 I 72 I 56 G 42 G 33 G DCON MS tolerance h6; RE ±0.01 mm. Product DC RE DCON MS APMX OAL NOF [mm] [mm] [mm] [mm] [mm] S770HB10.0 10.00 0.20 10.00 22.00 72.0 5 S770HB12.0 12.00 0.30 12.00 26.00 83.0 5 S770HB16.0 16.00 0.30 16.00 32.00 92.0 5 S770HB20.0 20.00 0.30 20.00 38.00 104.0 5 43