Recommended Speeds and Feeds

  Feed – Inch Per Tooth
Material Speed-SFM Endmill Diameter
    1/8 3/16 1/4 3/8 1/2 5/8 3/4 1”
High Temp Alloys-N10718 25-90 .0005 .0007 .001 .0015 .002 .002 .002 .003
High Nickel-Monel 200-300 .0005 .001 .0015 .002 .0025 .0035 .004 .005
Steel-Free Machining 400-800 .0007 .001 .002 .003 .004 .005 .006 .007
Steel-Low-Carbon 1018-1029 300-800 .0007 .001 .002 .003 .004 .005 .006 .007
Steel-Medium Carbon 1030-1055 200-600 .0005 .0005 .001 .001 .002 .003 .004 .005
Steel-High-Carbon 1060-1095 200-500 .0003 .0003 .0005 .0008 .001 .0015 .002 .003
Steel 35-45 RC 200-300 .0003 .0003 .0005 .0008 .001 .0015 .002 .003
Steel 45-55 RC 50-100 .0002 .0003 .0005 .0008 .001 .0015 .002 .003
Stainless 303, 304-316 450 .0007 .001 .0015 .002 .003 .004 .005 .006
Stainless 17-4, 400 350 .0007 .001 .0015 .002 .0025 .003 .004 .005
Titanium-Soft 200-400 .0007 .001 .0015 .002 .0025 .003 .004 .006
Titanium-Hard 100-200 .0005 .0005 .0007 .001 .001 .002 .0025 .004
Aluminum 1200 & Up .002 .004 .005 .007 .009 .010 .012 .014