Solid Carbide EndmillsMilling Solid Carbide Endmills Recommended Cutting Conditions Table 019 H650 Seires EHSRC2 Material PREHARDENED STEELSNAK80 CENA1 HARDENED STEELSSKD61,SKD11 Hardened SteelSKD11,SKH51 Hardness HRC 35~45 HRC 40~55 HRC 55~65 Dia EFF-L RPM Feed (mm/min) ap(mm) RPM Feed (mm/min) ap(mm) RPM Feed (mm/min) ap(mm) ae (mm) 5 19600 510 0.022 15700 360 0.016 6500 15 0.009 0.013 10 13800 300 0.007 11000 210 0.005 6500 12 0.003 0.013 12 12600 250 0.005 10100 170 0.003 6500 11 0.002 0.007 1.0mm 14 11700 210 0.003 9400 150 0.002 650 10 0.001 0.005 16 11000 180 0.003 8800 130 0.002 - - - - 20 9800 130 0.002 7900 90 0.001 - - - - 6 16100 490 0.026 12800 340 0.019 9600 22 0.011 0.120 12 11400 290 0.008 9100 200 0.005 - - - - 1.2mm 16 9800 220 0.004 7900 150 0.003 - - - - 20 8800 170 0.003 7000 120 0.002 - - - - 8 12900 440 0.025 10300 310 0.018 9600 18 0.010 0.094 10 11500 380 0.017 9200 260 0.012 - - - 0.048 1.4mm 16 9100 250 0.007 7300 180 0.005 - - - 0.012 20 7800 180 0.004 6200 120 0.003 - - - 0.005 8 12500 460 0.029 10000 320 0.020 9600 25 0.012 0.124 12 10200 340 0.016 8200 240 0.011 - - - - 1.5mm 14 9500 300 0.012 7600 210 0.008 - - - - 16 8900 270 0.009 7100 190 0.007 - - - - 20 7900 220 0.006 6300 150 0.004 - - - - 10 10800 410 0.025 8600 280 0.018 9600 15 0.010 0.082 1.6mm 14 9100 320 0.014 7300 220 0.010 - - - - 18 8000 260 0.009 6400 180 0.006 - - - - 6 12500 650 0.045 10000 450 0.032 9600 211 0.019 0.926 10 9700 470 0.031 7800 330 0.022 9600 45 0.013 0.200 12 8900 420 0.026 7100 290 0.019 9600 56 0.011 0.116 2.0mm 14 8200 370 0.022 6600 260 0.016 9600 16 0.009 0.073 20 6900 280 0.013 5500 190 0.009 - - - - 25 6200 230 0.008 4900 160 0.006 - - - - 30 5600 180 0.005 4500 130 0.004 - - - - 8 9600 670 0.054 7700 460 0.039 9600 227 0.023 0.954 12 7900 520 0.042 6300 360 0.030 9600 67 0.018 0.283 16 6800 430 0.031 5500 290 0.022 9600 28 0.013 0.119 2.5mm 20 6100 360 0.023 4900 250 0.017 9600 14 0.010 0.061 25 5500 300 0.015 4400 210 0.011 - - - - 30 5000 250 0.010 4000 170 0.007 - - - - 35 4800 190 0.007 3800 140 0.005 - - - - 1.Use as highly rigid and accurate machine as possible. 2.If the rpm available is lower than the recommend condition, please reduce the feed rate to the same ratio. 3.Use long shank type please reduce the rpm and feed rate. 4.The Feed and RPM may be changed depending on the M/C conditions ,lubricating and cooling system. A218