Mega Muscle® Extreme Performance High Feed Carbide Drill List 5630 - EXOPRO® Mega Muscle®: 10D General Drilling Operations WorkMaterial Carbon Steels,Mild Steels1010, 1050, 12L14Alloy Steels4140, 4130Cast Iron Ductile Cast Iron Cast Aluminum DrillingSpeed 260-395 SFM 200-295 SFM 260-395 SFM 195-330 SFM 260-660 SFM Drill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed mm Inch RPM IPR RPM IPR RPM IPR RPM IPR RPM IPR 5 – 6,350 0.007 - 0.009 5,750 0.007 - 0.009 6,350 0.007 - 0.011 5,100 0.007 - 0.009 8,900 0.008 - 0.016 6 – 5,300 0.008 - 0.011 4,800 0.008 - 0.011 5,300 0.008 - 0.014 4,200 0.008 - 0.011 7,400 0.009 - 0.019 – 1/4 5,000 0.009 - 0.012 4,550 0.009 - 0.012 5,000 0.009 - 0.016 4,000 0.007 - 0.012 7,000 0.010 - 0.020 8 – 4,000 0.011 - 0.015 3,600 0.011 - 0.015 4,000 0.011 - 0.018 3,200 0.009 - 0.015 5,600 0.013 - 0.025 – 3/8 3,300 0.012 - 0.017 3,050 0.012 - 0.017 3,300 0.012 - 0.020 2,700 0.012 - 0.017 4,700 0.015 - 0.030 10 – 3,200 0.013 - 0.019 2,900 0.013 - 0.019 3,200 0.013 - 0.023 2,500 0.012 - 0.019 4,500 0.016 - 0.031 – 7/16 2,900 0.014 - 0.021 2,600 0.014 - 0.021 2,900 0.014 - 0.025 2,300 0.013 - 0.021 4,000 0.017 - 0.035 12 – 2,700 0.016 - 0.023 2,400 0.016 - 0.023 2,700 0.016 - 0.028 2,100 0.014 - 0.023 3,700 0.019 - 0.038 – 1/2 2,500 0.016 - 0.024 2,250 0.016 - 0.024 2,500 0.016 - 0.028 2,000 0.015 - 0.024 3,500 0.020 - 0.040 14 – 2,300 0.017 - 0.026 2,050 0.017 - 0.026 2,300 0.017 - 0.029 1,800 0.017 - 0.026 3,200 0.022 - 0.044 – 5/8 2,000 0.018 - 0.029 1,800 0.018 - 0.029 2,000 0.018 - 0.030 1,600 0.019 - 0.029 2,800 0.025 - 0.050 General Drilling Operations WorkMaterial Special Alloy Steels, Hardened Steels Hardness 26-30 HRC 30-34 HRC DrillingSpeed 195-295 SFM 160-230 SFM Drill Dia. Speed Feed Speed Feed mm Inch RPM IPR RPM IPR 5 – 4,950 0.006 - 0.007 3,500 0.005 - 0.007 6 – 4,000 0.007 - 0.010 3,200 0.007 - 0.010 – 1/4 3,700 0.007 - 0.010 3,000 0.007 - 0.010 8 – 3,000 0.009 - 0.014 2,400 0.009 - 0.014 – 3/8 2,500 0.011 - 0.017 2,000 0.011 - 0.017 10 – 2,400 0.012 - 0.018 1,900 0.012 - 0.018 – 7/16 2,100 0.013 - 0.020 1,700 0.013 - 0.020 12 – 2,000 0.014 - 0.022 1,600 0.014 - 0.022 – 1/2 1,900 0.015 - 0.022 1,500 0.015 - 0.022 14 – 1,700 0.017 - 0.023 1,400 0.017 - 0.023 – 5/8 1,500 0.019 - 0.024 1,200 0.018 - 0.023 302 Drilling Technical WWW.OSGTOOL.COM