WHO-Ni Ultra Premium Performance Drill for Nickel Alloys
List 5950Ni - EXOPRO® WHO-Ni: 3D List 5955Ni - EXOPRO® WHO-Ni: 5D
General Drilling Operations Work Material
Ni-Base Material, Inconel
Carbon Steels, Mild Steels 1010, 1050, 12L14
Alloy Steels 4140, 4130
Cast Iron
Ductile Cast Iron
Hardness Drilling Speed Drill Dia.
38-43 HRC 35-100 SFM
260-395 SFM
260-395 SFM
260-395 SFM
195-330 SFM
Speed RPM
Feed IPR
Speed RPM
Feed IPR
Speed RPM
Feed IPR
Speed RPM
Feed IPR
Speed RPM
Feed IPR
mm Inch 3 -
10,600 0.002 - 0.005 10,600 0.002 - 0.005 10,600 0.002 - 0.005 8,500 0.002 - 0.005 2,150 0.001 - 0.002 1/8 10,000 0.002 - 0.005 10,000 0.002 - 0.005 10,000 0.002 - 0.005 8,000 0.002 - 0.005 2,050 0.001 - 0.002 4 - 7,900 0.003 - 0.006 7,900 0.003 - 0.006 7,900 0.003 - 0.006 6,350 0.003 - 0.006 1,625 0.001 - 0.003 - 3/16 6,650 0.004 - 0.008 6,650 0.004 - 0.008 6,650 0.004 - 0.008 5,300 0.004 - 0.008 1,350 0.002 - 0.004 6 - 5,300 0.005 - 0.009 5,300 0.005 - 0.009 5,300 0.005 - 0.009 4,200 0.005 - 0.009 1,100 0.002 - 0.005 - 1/4 5,000 0.005 - 0.009 5,000 0.005 - 0.009 5,000 0.005 - 0.009 4,000 0.005 - 0.009 1,025 0.002 - 0.005 8 - 4,000 0.006 - 0.011 4,000 0.006 - 0.011 4,000 0.006 - 0.011 3,200 0.006 - 0.011 800 0.003 - 0.006 - 3/8 3,350 0.007 - 0.012 3,350 0.007 - 0.012 3,350 0.007 - 0.012 2,700 0.007 - 0.012 680 0.003 - 0.007 10 - 3,200 0.008 - 0.012 3,200 0.008 - 0.012 3,200 0.008 - 0.012 2,550 0.008 - 0.012 650 0.004 - 0.008 - 7/16 2,850 0.008 - 0.012 2,850 0.008 - 0.012 2,850 0.008 - 0.012 2,300 0.008 - 0.012 585 0.004 - 0.009 12 - 2,650 0.008 - 0.012 2,650 0.008 - 0.012 2,650 0.008 - 0.012 2,100 0.008 - 0.012 550 0.005 - 0.009 - 1/2 2,500 0.008 - 0.012 2,500 0.008 - 0.012 2,500 0.008 - 0.012 2,000 0.008 - 0.012 500 0.005 - 0.010 -
General Drilling Operations Work Material
Special Alloy Steels, Hardened Steels
Hardness Drilling Speed Drill Dia.
35-40 HRC
40-45 HRC
45-56 HRC 65-100 SFM
130-160 SFM
115-150 SFM
Speed RPM
Feed IPR
Speed RPM
Feed IPR
Speed RPM
Feed IPR
mm Inch 3 -
4,700 0.002 - 0.003 4,250 0.001 - 0.002 2,650 0.001 - 0.002 4,400 0.002 - 0.003 4,025 0.001 - 0.002 2,500 0.001 - 0.002
-
1/8
4
- 3,500 0.003 - 0.004 3,200 0.001 - 0.003 2,000 0.001 - 0.003
- 3/16 2,950 0.004 - 0.005 2,700 0.002 - 0.004 1,650 0.002 - 0.004 6 - 2,350 0.005 - 0.006 2,100 0.002 - 0.005 1,300 0.002 - 0.005 - 1/4 2,200 0.005 - 0.006 2,000 0.002 - 0.005 1,250 0.002 - 0.005 8 - 1,750 0.006 - 0.008 1,600 0.003 - 0.006 1,000 0.003 - 0.006 - 3/8 1,475 0.007 - 0.009 1,350 0.003 - 0.007 850 0.003 - 0.007 10 - 1,400 0.008 - 0.010 1,300 0.004 - 0.008 800 0.004 - 0.008 - 7/16 1,250 0.009 - 0.011 1,150 0.004 - 0.009 715 0.004 - 0.009 12 - 1,200 0.009 - 0.012 1,050 0.005 - 0.009 660 0.005 - 0.009 - 1/2 1,100 0.010 - 0.013 1,000 0.005 - 0.010 625 0.005 - 0.010
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