2.00 Diameter 3.00 2.50 Diameter Diameter 4.00 Diameter n STARTING FEED RATE GUIDELINES FOR EXTENDED FLUTE MILL Feed Rate (APT) BASED ON WIDTH OF CUT Material Material Specification Radial WOC 0.02 0.050 0.060 0.070 0.080 Alumi num 7075 - T6, 6061 - T6, 2024 Diameter / 8 0.015 0.015 0.015 0.015Diameter / 40.0120.0120.0120.012 Diameter / 2 0.010 0.010 0.010 0.010 0.02 0.035 0.048 0.056 0.064 Cast Iron Gray / Nodular Diameter / 8 0.009 0.011 0.011 0.011Diameter / 40.0070.0080.0080.008 Diameter / 2 0.006 0.006 0.006 0.006 0.02 0.035 0.048 0.056 0.064 Low / Med Carbon 1018, 1045, 8620 Diameter / 8 0.009 0.011 0.011 0.011 Diameter / 4 0.007 0.008 0.008 0.008 Steel Diameter / 2 0.006 0.006 0.006 0.0060.020.0300.0420.0490.056 Alloyed Steel, 4140, 4340, Diameter / 8 0.008 0.009 0.009 0.009 Tool Steel A-6, D-1, D-2 Diameter / 4 0.006 0.007 0.007 0.007 Diameter / 2 0.005 0.005 0.005 0.005 0.02 0.030 0.042 0.049 0.056 300 Series, 304, 316, 13-8PH Diameter / 8 0.008 0.009 0.009 0.009Diameter / 40.0060.0070.0070.007 Stainless Steel Diameter / 2 0.005 0.005 0.005 0.0050.020.0350.0480.0560.064 400 Series 15-5PH, 17-4PH Diameter / 8 0.009 0.011 0.011 0.011Diameter / 40.0070.0080.0080.008 Diameter / 2 0.006 0.006 0.006 0.006 0.02 0.030 0.042 0.049 0.056 Nick el Alloys & Titanium Inconel, Hastelloy,Waspalloy, 6AL-4V Diameter / 8 0.008 0.009 0.009 0.009Diameter / 40.0060.0070.0070.007 Diameter / 2 0.005 0.005 0.005 0.005 The success of any cutter application is a function of many variables. Our initial preference of grade is based on applying a more tough grade. 357