Performance Coolant-Through Carbide Drills
General Drilling Operations Work Material
Special Alloy Steels, Hardened Steels
Cast Aluminum Copper
Hardness 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 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 3 - 16,580 0.004-0.006 9,860 0.003-0.005 7,760 0.002-0.005 5,500 0.002-0.003 4,850 0.002-0.003 3,090 0.001-0.002 - 1/8 15,660 0.004-0.006 9,320 0.003-0.005 7,330 0.002-0.005 5,200 0.002-0.003 4,560 0.002-0.003 2,930 0.001-0.003 4 - 12,430 0.005-0.007 7,400 0.004-0.006 5,820 0.003-0.006 4,120 0.003-0.004 3,640 0.003-0.004 2,320 0.002-0.003 - 3/16 10,440 0.006-0.008 6,210 0.005-0.007 4,890 0.004-0.007 3,460 0.004-0.005 3,040 0.004-0.005 1,950 0.002-0.004 6 - 8,290 0.008-0.010 4,930 0.006-0.008 3,880 0.005-0.009 2,750 0.005-0.006 2,410 0.005-0.006 1,550 0.002-0.004 - 1/4 7,830 0.009-0.011 4,660 0.007-0.009 3,670 0.005-0.010 2,600 0.005-0.007 2,290 0.005-0.007 1,460 0.003-0.005 8 - 6,220 0.012-0.014 3,700 0.008-0.010 2,910 0.006-0.011 2,060 0.006-0.008 1,810 0.006-0.008 1,160 0.003-0.005 - 3/8 5,220 0.013-0.015 3,110 0.009-0.011 2,440 0.007-0.011 1,730 0.007-0.009 1,520 0.007-0.009 980 0.003-0.005 10 - 4,970 0.015-0.017 2,960 0.011-0.013 2,330 0.008-0.012 1,650 0.008-0.010 1,450 0.008-0.010 930 0.004-0.006 - 7/16 4,470 0.016-0.018 2,660 0.012-0.014 2,090 0.008-0.012 1,480 0.008-0.011 1,300 0.008-0.011 840 0.004-0.006 12 - 4,140 0.018-0.020 2,470 0.013-0.015 1,940 0.008-0.012 1,370 0.009-0.012 1,210 0.009-0.012 770 0.005-0.007 - 1/2 3,920 0.019-0.021 2,330 0.014-0.016 1,830 0.008-0.013 1,300 0.010-0.013 1,140 0.010-0.013 730 0.005-0.007 14 - 3,550 0.021-0.023 2,110 0.016-0.018 1,660 0.009-0.014 1,180 0.011-0.014 1,030 0.011-0.014 660 0.006-0.008 - 5/8 3,130 0.022-0.024 1,860 0.018-0.020 1,470 0.010-0.014 1,040 0.012-0.015 900 0.013-0.016 580 0.006-0.008 16 – 3,130 0.022-0.024 1,860 0.018-0.020 1,470 0.010-0.014 1,040 0.012-0.015 900 0.013-0.016 580 0.006-0.008 18 - 2,760 0.026-0.030 1,640 0.020-0.022 1,290 0.011-0.015 920 0.014-0.018 810 0.015-0.018 520 0.007 -0.009 - 3/4 2,610 0.027 -0.031 1,550 0.021-0.023 1,220 0.011-0.015 870 0.015-0.019 760 0.015-0.019 490 0.007-0.009 20 - 2,490 0.028-0.032 1,480 0.022-0.024 1,160 0.012-0.016 820 0.016-0.020 720 0.016-0.020 460 0.008-0.011 26-30 HRC 30-34 HRC 34-43 HRC
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Drilling Technical
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