Performance Carbide Drills
List HP243 - HY-PRO® CARB: 3D List HP245 - HY-PRO® CARB: 5D
General Drilling Operations
Carbon Steels, Mild Steels 1010, 1050, 12L14
Stainless Steels 300SS, 400SS, 17- 4PH
Work Material
Alloy Steels 4140, 4130
Cast Iron
Ductile Cast Iron Aluminum Alloy
Drilling Speed 240-350 SFM 230-325 SFM 130-200 SFM 240-385 SFM 175-300 SFM 200-380 SFM Drill Dia. Speed RPM Feed IPR Speed RPM Feed IPR Speed RPM Feed IPR Speed RPM Feed IPR Speed RPM Feed IPR Speed RPM Feed IPR mm Inch 1 - 25,000 0.001-0.002 25,000 0.001-0.002 16,010 0.001-0.002 25,000 0.001-0.002 23,090 0.001-0.002 25,000 0.001-0.002 - 1/16 18,030 0.001-0.002 16,930 0.001-0.002 10,080 0.001-0.002 19,620 0.001-0.002 14,550 0.001-0.002 17,720 0.001-0.002 2 - 14,310 0.002-0.003 13,430 0.001-0.003 8,010 0.001-0.003 15,130 0.001-0.003 11,540 0.001-0.003 14,070 0.002-0.003 - 3/32 12,020 0.002-0.004 11,280 0.002-0.004 6,720 0.002-0.003 13,080 0.002-0.004 9,700 0.002-0.004 11,820 0.002-0.004 3 - 9,540 0.002-0.005 8,960 0.002-0.005 5,340 0.002-0.004 10,090 0.002-0.005 7,700 0.002-0.005 9,380 0.003-0.005 - 1/8 9,010 0.003-0.005 8,460 0.003-0.005 5,040 0.003-0.004 9,810 0.002-0.005 7,270 0.003-0.005 8,860 0.004-0.005 4 - 7,160 0.003-0.006 6,720 0.003-0.006 4,000 0.003-0.005 7,560 0.003-0.006 5,770 0.003-0.006 7,040 0.004-0.006 - 3/16 6,010 0.004-0.008 5,640 0.004-0.008 3,360 0.004-0.006 6,540 0.004-0.007 4,850 0.004-0.007 5,910 0.005-0.007 6 - 4,770 0.005-0.009 4,480 0.005-0.009 2,670 0.005-0.007 5,040 0.005-0.009 3,850 0.005-0.009 4,690 0.006-0.008 - 1/4 4,510 0.005-0.010 4,230 0.005-0.010 2,520 0.006-0.008 4,910 0.005-0.010 3,640 0.005-0.010 4,430 0.007-0.009 8 - 3,580 0.006-0.011 3,360 0.006-0.011 2,000 0.006-0.009 3,780 0.006-0.011 2,890 0.006-0.011 3,520 0.008-0.010 - 3/8 3,010 0.007-0.011 2,820 0.007-0.011 1,680 0.007-0.009 3,270 0.007-0.011 2,420 0.007-0.011 2,950 0.009-0.011 10 - 2,860 0.008-0.012 2,680 0.008-0.012 1,600 0.008-0.010 3,030 0.008-0.012 2,310 0.008-0.012 2,810 0.011-0.013 - 7/16 2,580 0.008-0.012 2,420 0.008-0.012 1,440 0.008-0.010 2,800 0.008-0.012 2,080 0.008-0.012 2,530 0.012-0.014 12 - 2,380 0.008-0.012 2,240 0.008-0.012 1,330 0.008-0.010 2,520 0.008-0.012 1,920 0.008-0.012 2,340 0.013-0.015 - 1/2 2,250 0.009-0.013 2,120 0.009-0.013 1,260 0.008-0.011 2,450 0.008-0.013 1,820 0.008-0.013 2,210 0.014-0.016 14 - 2,040 0.009-0.014 1,920 0.009-0.014 1,140 0.009-0.011 2,160 0.009-0.014 1,650 0.009-0.014 2,010 0.016-0.018 - 5/8 1,810 0.010-0.014 1,690 0.010-0.014 1,010 0.010-0.012 1,960 0.010-0.014 1,450 0.010-0.014 1,770 0.018-0.020 16 – 1,810 0.010-0.014 1,690 0.010-0.014 1,010 0.010-0.012 1,960 0.010-0.014 1,450 0.010-0.014 1,770 0.018-0.020 18 - 1,590 0.011-0.015 1,490 0.011-0.015 890 0.011-0.013 1,682 0.011-0.015 1,280 0.011-0.015 1,560 0.020-0.022 - 3/4 1,500 0.012-0.015 1,410 0.012-0.015 840 0.011-0.013 1,580 0.011-0.015 1,210 0.012-0.015 1,480 0.021 -0.023 20 - 1,430 0.012-0.016 1,340 0.012-0.016 800 0.012-0.014 1,514 0.012-0.016 1,150 0.012-0.016 1,410 0.022-0.024
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Drilling Technical
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