ADF Advanced Performance Flat Drills List 5705 - A Brand® ADFLS: 2D General Drilling Operations Work Carbon Steels, Alloy Steels Stainless SteelsMaterialMild Steels4140, 4130300SS, 400SS,1010, 1050, 12L1417-4PHCast IronDuctile Cast IronAluminum Alloy5052,7075 Hardness 28-35 HRC DrillingSpeed 200-330 SFM 100-300 SFM 65-140 SFM 200-400 SFM 165-260 SFM 265-650 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 2 – 12,700 0.0012 - 0.002 9,550 0.0012 - 0.002 6,310 0.0012 - 0.002 14,300 0.0016 - 0.002 10,350 0.0016 - 0.002 22,300 0.0004 - 0.002 3 – 8,500 0.002 - 0.003 6,350 0.002 - 0.003 4,250 0.002 - 0.003 9,550 0.002 - 0.004 6,900 0.002 - 0.004 14,850 0.001 - 0.004 – 1/8 8,000 0.002 - 0.003 6,020 0.002 - 0.003 3,970 0.002 - 0.003 9,020 0.002 - 0.004 6,570 0.002 - 0.004 14,060 0.001 - 0.004 4 – 6,350 0.002 - 0.004 4,750 0.002 - 0.004 3,200 0.002 - 0.004 7,150 0.003 - 0.005 5,150 0.003 - 0.005 11,150 0.001 - 0.005 – 3/16 5,300 0.002 - 0.004 4,020 0.002 - 0.004 2,650 0.002 - 0.004 6,010 0.003 - 0.005 4,380 0.003 - 0.005 9,370 0.001 - 0.005 6 – 4,250 0.004 - 0.006 3,200 0.004 - 0.006 2,100 0.004 - 0.006 4,750 0.005 - 0.007 3,450 0.005 - 0.007 7,450 0.001 - 0.007 – 1/4 4,000 0.004 - 0.006 3,010 0.004 - 0.006 1,990 0.004 - 0.006 4,510 0.005 - 0.007 3,290 0.005 - 0.007 7,030 0.001 - 0.007 8 – 3,200 0.005 - 0.008 2,400 0.005 - 0.008 1,600 0.005 - 0.008 3,600 0.006 - 0.009 2,600 0.006 - 0.009 5,550 0.002 - 0.009 – 3/8 2,650 0.005 - 0.008 2,010 0.005 - 0.008 1,320 0.005 - 0.008 3,010 0.006 - 0.009 2,190 0.006 - 0.009 4,690 0.002 - 0.009 10 – 2,550 0.006 - 0.010 1,900 0.006 - 0.010 1,260 0.006 - 0.010 2,850 0.008 - 0.012 2,050 0.008 - 0.012 4,450 0.002 - 0.012 – 7/16 2,300 0.006 - 0.010 1,720 0.006 - 0.010 1,140 0.006 - 0.010 2,580 0.008 - 0.012 1,880 0.008 - 0.012 4,020 0.002 - 0.012 12 – 2,100 0.007 - 0.012 1,600 0.007 - 0.012 1,050 0.007 - 0.012 2,400 0.009 - 0.014 1,700 0.009 - 0.014 3,700 0.002 - 0.014 – 1/2 2,000 0.007 - 0.012 1,510 0.007 - 0.012 990 0.007 - 0.012 2,250 0.009 - 0.014 1,650 0.009 - 0.014 3,520 0.002 - 0.014 14 – 1,800 0.008 - 0.014 900 0.008 - 0.014 910 0.008 - 0.014 2,050 0.011 - 0.017 1,500 0.011 - 0.017 3,200 0.003 - 0.017 – 5/8 1,600 0.009 - 0.016 800 0.009 - 0.016 790 0.009 - 0.016 1,800 0.013 - 0.019 1,300 0.013 - 0.019 2,800 0.003 - 0.019 1,600 0.009 - 0.016 800 0.009 - 0.016 790 0.009 - 0.016 1,800 0.013 - 0.019 1,300 0.013 - 0.019 2,800 0.003 - 0.019 18 – 1,400 0.011 - 0.018 700 0.011 - 0.018 700 0.011 - 0.018 1,600 0.014 - 0.021 1,150 0.014 - 0.021 2,500 0.004 - 0.021 – 3/4 1,350 0.012 - 0.020 660 0.012 - 0.020 660 0.012 - 0.020 1,500 0.016 - 0.024 1,100 0.016 - 0.024 2,350 0.004 - 0.024 20 – 1,250 0.012 - 0.020 650 0.012 - 0.020 635 0.012 - 0.020 1,450 0.016 - 0.024 1,050 0.016 - 0.024 2,250 0.004 - 0.024 General Drilling Operations β Note: WorkMaterial Cast Aluminum Hardened Steel-PreHardened SteelPlastic Mold Steels 1. To process flat surfaces, prior center-drilling with alarger diameter is required. HardnessDrillingSpeed265-650 SFM Up to 50 HRC65-100 SFM Up to 40 HRC 2. The speeds and feeds in the table above applywhen drilling on a flat surface with water-soluble65-130 SFMcoolant.3. When using non-water soluble oil or Drill Dia. Speed Feed Speed Feed Speed Feed water-emulsifiable (over 20 times dilution), reduce mm Inch RPM IPR RPM IPR RPM IPR cutting speed by 30%. (Less than 5% oil)4. Use a rigid and precise machine and holder. 2 – 22,300 0.0004 - 0.002 4,000 0.0008 - 0.002 4,750 0.0012 - 0.002 5. Please minimize tool hang over as much as possible 3 – 14,850 0.001 - 0.004 2,650 0.001 - 0.002 3,200 0.0018 - 0.002 during machining. – 1/8 14,060 0.001 - 0.004 2,500 0.001 - 0.002 3,050 0.0018 - 0.002 6. Adjust the rotational speed and the feed rate in 4 – 11,150 0.001 - 0.005 2,000 0.002 - 0.003 2,400 0.002 - 0.003 accordance with conditions such as the machining –6 3/16– 9,370 0.001 - 0.005 1,670 0.002 - 0.003 2,040 0.002 - 0.0037,4500.001 - 0.0071,3500.002 - 0.0051,6000.004 - 0.005shape, machine rigidity, or work holding.7. Please set up the drill so that the runout of thecutting edge is under 0.0004”. – 1/4 7,030 0.001 - 0.007 1,250 0.002 - 0.005 1,530 0.004 - 0.005 8. When machining an inclined plane,adjust the 8 – 5,550 0.002 - 0.009 1,000 0.003 - 0.006 1,200 0.005 - 0.006 rotational speed and the feed rate in accordance – 3/8 4,690 0.002 - 0.009 840 0.003 - 0.006 1,020 0.005 - 0.006 with the angle of the incline (β). 10 – 4,450 0.002 - 0.012 800 0.004 - 0.008 950 0.006 - 0.008 • When the machining incline angle(β) is less – 7/16 4,020 0.002 - 0.012 720 0.004 - 0.008 880 0.006 - 0.008 than 30°, please reduce the feed to 40-60%. • When the machining incline angle(β) is over 12 – 3,700 0.002 - 0.014 650 0.005 - 0.009 800 0.007 - 0.009 30°, please reduce the speed to 60-80% , – 1/2 3,520 0.002 - 0.014 630 0.005 - 0.009 770 0.007 - 0.009 the feed to 40-60%. 14 – 3,200 0.003 - 0.017 550 0.006 - 0.011 700 0.008 - 0.011 9. Please use step drilling in pilot holes to improve – 5/8 2,800 0.003 - 0.019 500 0.006 - 0.013 600 0.009 - 0.013 cutting chip separation for hard to break materials. 16 – 2,800 0.003 - 0.019 500 0.006 - 0.013 600 0.009 - 0.013 10. If it is necessary to ensure the locating precision of 18 – 2,500 0.004 - 0.021 450 0.007 - 0.014 550 0.011 - 0.014 the hole to be machined, adjust the rotationalspeed and the feed rate as indicated above – 3/4 2,350 0.004 - 0.024 420 0.008 - 0.016 510 0.012 - 0.016 (in accordance with the machining precision 20 – 2,250 0.004 - 0.024 400 0.008 - 0.016 500 0.012 - 0.016 requirement). WWW.OSGTOOL.COM Drilling Technical 293