HY-PRO® CARB Performance Coolant-Through Carbide Drills List HP253-HY-PRO® CARB: 3D Coolant-Through List HP255-HY-PRO® CARB: 5D Coolant-Through List HP258-HY-PRO® CARB: 8D Coolant-Through General Drilling Operations WorkMaterial Carbon Steels,Mild Steels1010, 1050, 12L14Alloy Steels4140, 4130Stainless Steels300SS, 400SS,17-4PHCast IronDuctile Cast IronAluminum Alloy Drilling Speed 310-455 SFM 265-380 SFM 145-220 SFM 285-420 SFM 215-350 SFM 260-450 SFM Drill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed mm Inch RPM IPR RPM IPR RPM IPR RPM IPR RPM IPR RPM IPR 3 – 11,450 0.002-0.005 10,750 0.002-0.005 6,140 0.002-0.004 12,610 0.002-0.005 9,630 0.002-0.005 13,100 0.003-0.005 – 1/8 10,810 0.002-0.005 10,170 0.002-0.005 5,810 0.002-0.004 11,850 0.002-0.005 9,110 0.002-0.005 12,370 0.003-0.005 4 – 8,580 0.003-0.006 8,060 0.003-0.006 4,600 0.003-0.005 9,460 0.003-0.006 7,210 0.003-0.006 9,820 0.004-0.006 – 3/16 7,200 0.004-0.007 6,780 0.004-0.007 3,870 0.004-0.006 7,900 0.004-0.007 6,070 0.004-0.007 8,250 0.005-0.007 6 – 5,725 0.005-0.009 5,370 0.005-0.009 3,070 0.005-0.007 6,300 0.005-0.009 4,810 0.005-0.009 6,550 0.006-0.008 – 1/4 5,410 0.005-0.010 5,090 0.005-0.010 2,900 0.006-0.008 5,920 0.005-0.010 4,550 0.005-0.010 6,190 0.007-0.009 8 – 4,290 0.006-0.011 4,040 0.006-0.011 2,300 0.006-0.009 4,730 0.006-0.011 3,610 0.006-0.011 4,910 0.008-0.010 – 3/8 3,600 0.007-0.011 3,390 0.007-0.011 1,930 0.007-0.009 3,950 0.007-0.011 3,030 0.007-0.011 4,120 0.009-0.011 10 – 3,430 0.008-0.012 3,230 0.008-0.012 1,840 0.008-0.010 3,780 0.008-0.012 2,890 0.008-0.012 3,930 0.011-0.013 – 7/16 3,090 0.008-0.012 2,910 0.008-0.012 1,660 0.008-0.010 3,380 0.008-0.012 2,600 0.008-0.012 3,530 0.012-0.014 12 – 2,860 0.008-0.012 2,690 0.008-0.012 1,530 0.008-0.010 3,150 0.008-0.012 2,410 0.008-0.012 3,280 0.013-0.015 – 1/2 2,700 0.008-0.013 2,540 0.008-0.013 1,450 0.008-0.010 2,960 0.008-0.013 2,270 0.008-0.013 3,090 0.014-0.016 14 – 2,450 0.009-0.014 2,310 0.009-0.014 1,310 0.009-0.011 2,690 0.009-0.014 2,060 0.009-0.014 2,810 0.016-0.018 – 5/8 2,160 0.010-0.014 2,030 0.010-0.014 1,160 0.010-0.012 2,370 0.010-0.014 1,820 0.010-0.014 2,470 0.018-0.020 18 – 1,910 0.011-0.015 1,790 0.011-0.015 1,020 0.011-0.013 2,090 0.011-0.015 1,610 0.011-0.015 2,180 0.020-0.022 – 3/4 1,800 0.011-0.015 1,690 0.011-0.015 960 0.011-0.013 1,970 0.011-0.015 1,520 0.011-0.015 2,060 0.021-0.023 20 – 1,720 0.012-0.016 1,610 0.012-0.016 922 0.012-0.014 1,880 0.012-0.016 1,450 0.012-0.016 1,960 0.022-0.024 General Drilling Operations WorkMaterial Cast Aluminum Copper Special Alloy Steels, Hardened Steels Hardness 26-30 HRC 30-34 HRC 34-43 HRC 43-48 HRC Drilling Speed 325- 700 SFM 230-380 SFM 185-295 SFM 130-210 SFM 120-180 SFM 80-110 SFM Drill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed mm Inch RPM IPR RPM IPR RPM IPR RPM IPR RPM IPR RPM IPR 3 – 19,650 0.004-0.006 10,110 0.003-0.005 7,760 0.002-0.005 5,700 0.002-0.003 4,850 0.002-0.003 3,090 0.001-0.002 – 1/8 18,580 0.004-0.006 8,950 0.003-0.005 7,330 0.002-0.005 5,410 0.002-0.003 4,560 0.002-0.003 2,930 0.001-0.003 4 – 14,750 0.005-0.007 7,110 0.004-0.006 5,820 0.003-0.006 4,280 0.003-0.004 3,640 0.003-0.004 2,320 0.002-0.003 – 3/16 12,380 0.006-0.008 5,970 0.005-0.007 4,890 0.004-0.007 3,600 0.004-0.005 3,040 0.004-0.005 1,950 0.002-0.004 6 – 9,830 0.008-0.010 4,740 0.006-0.008 3,880 0.005-0.009 2,850 0.005-0.006 2,410 0.005-0.006 1,550 0.002-0.004 – 1/4 9,290 0.009-0.011 4,470 0.007-0.009 3,670 0.005-0.010 2,710 0.005-0.007 2,080 0.005-0.007 1,460 0.003-0.005 8 – 7,360 0.012-0.014 3,550 0.008-0.010 2,910 0.006-0.011 2,140 0.006-0.008 1,810 0.006-0.008 1,160 0.003-0.005 – 3/8 6,190 0.013-0.015 2,980 0.009-0.011 2,440 0.007-0.011 1,800 0.007-0.009 1,520 0.007-0.009 980 0.003-0.005 10 – 5,890 0.015-0.017 2,840 0.011-0.013 2,330 0.008-0.012 1,710 0.008-0.010 1,450 0.008-0.010 930 0.004-0.006 – 7/16 5,310 0.016-0.018 2,560 0.012-0.014 2,090 0.008-0.012 1,540 0.008-0.011 1,300 0.008-0.011 840 0.004-0.006 12 – 4,910 0.018-0.020 2,370 0.013-0.015 1,940 0.008-0.012 1,430 0.009-0.012 1,210 0.009-0.012 770 0.005-0.007 – 1/2 4,640 0.019-0.021 2,340 0.014-0.016 1,830 0.008-0.013 1,350 0.010-0.013 1,140 0.010-0.013 730 0.005-0.007 14 – 4,210 0.021-0.023 2,030 0.016-0.018 1,660 0.009-0.014 1,220 0.011-0.014 1,030 0.011-0.014 660 0.006-0.008 – 5/8 3,720 0.022-0.024 1,790 0.018-0.020 1,470 0.010-0.014 1,080 0.012-0.015 900 0.013-0.016 580 0.006-0.008 18 – 3,270 0.026-0.030 1,580 0.020-0.022 1,290 0.011-0.015 950 0.014-0.018 810 0.015-0.018 520 0.007 -0.009 – 3/4 3,090 0.027 -0.031 1,490 0.021-0.023 1,220 0.011-0.015 900 0.015-0.019 760 0.015-0.019 490 0.007-0.009 20 – 2,950 0.028-0.032 1,420 0.022-0.024 1,160 0.012-0.016 860 0.016-0.020 720 0.016-0.020 460 0.008-0.011 WWW.OSGTOOL.COM Drilling Technical 313