FRACTIONAL Baseline INCH BaselineSpeed and Feed DC • in Square, Corner Radius & Ball End Vc 0.0050 0.0156 0.0312 0.0625 0.0938 0.1200 With and Without Reach Hardness (sfm) Profile 365 RPM 278860 89378 44689 22309 14865 11619 Fz 0.000022 0.00007 0.00013 0.00027 0.00041 0.00052 CARBON STEELSP1018, 1040, 1080, 1090,10L50, 1140, 1212,12L15, 1525, 1536≤ 275 Bhnor≤ 28 HRcSlot(292-438)Feed (ipm)12.05290RPM22156012.057101312.053550612.051772512.051181012.059232 Fz 0.000022 0.00007 0.00013 0.00027 0.00041 0.00052 (232-348) Feed (ipm) 9.57 9.57 9.57 9.57 9.57 9.57 Profile 210 RPM 160440 51423 25712 12835 8552 6685 Fz 0.000019 0.00006 0.00012 0.00024 0.00036 0.00046 ALLOY STEELSP4140, 4150, 4320, 5120,5150, 8630, 86L20,50100≤ 375 Bhnor≤ 40 HRcSlot(168-252)Feed (ipm)6.16165RPM1260606.16404046.16202026.16100856.1667206.165253 Fz 0.000019 0.00006 0.00012 0.00024 0.00036 0.00046 (132-198) Feed (ipm) 4.84 4.84 4.84 4.84 4.84 4.84 Profile 340 RPM 259760 83256 41628 20781 13846 10823 Fz 0.000022 0.00007 0.00013 0.00027 0.00041 0.00052 STAINLESS STEELSM(FREE MACHINING)303, 416, 420F, 430F,440F≤ 275 Bhnor≤ 28 HRcSlot(272-408)Feed (ipm)11.22270RPM20628011.226611511.223305811.221650211.221099611.228595 Fz 0.000022 0.00007 0.00013 0.00027 0.00041 0.00052 (216-324) Feed (ipm) 8.91 8.91 8.91 8.91 8.91 8.91 Profile 235 RPM 179540 57545 28772 14363 9570 7481 Fz 0.000019 0.00006 0.00012 0.00024 0.00036 0.00046 STAINLESS STEELS ≤ 275 Bhn (188-282) Feed (ipm) 6.90 6.90 6.90 6.90 6.90 6.90 M (DIFFICULT) or 304, 304L, 316, 316L ≤ 28 HRc Slot 185 RPM 141340 45301 22651 11307 7534 5889 Fz 0.000019 0.00006 0.00012 0.00024 0.00036 0.00046 (148-222) Feed (ipm) 5.43 5.43 5.43 5.43 5.43 5.43 Profile 215 RPM 164260 52647 26324 13141 8756 6844 Fz 0.000014 0.00004 0.00008 0.00017 0.00025 0.00033 STAINLESS STEELSM(PH)13-8 PH, 15-5PH,17-4 PH, CUSTOM 450≤ 325 Bhnor≤ 35 HRcSlot(172-258)Feed (ipm)4.46170RPM1298804.46416284.46208144.46103904.4669234.465412 Fz 0.000014 0.00004 0.00008 0.00017 0.00025 0.00033 (136-204) Feed (ipm) 3.53 3.53 3.53 3.53 3.53 3.53 Profile 305 RPM 233020 74686 37343 18642 12421 9709 CAST IRONS(LOW & MEDIUM ≤ 220 Bhn Fz 0.000022 0.00007 0.00014 0.00027 0.00041 0.00052(244-366)Feed (ipm)10.0810.0810.0810.0810.0810.08 K ALLOY) or Gray, Malleable,Ductile ≤ 19 HRc Slot 245 RPM 187180 59994 29997 14974 9978 7799Fz0.0000220.000070.000140.000270.000410.00052 (196-294) Feed (ipm) 8.10 8.10 8.10 8.10 8.10 8.10 Profile 1000 RPM 764000 244872 122436 61120 40725 31833 Fz 0.000064 0.00020 0.00040 0.00080 0.00120 0.00153 ALUMINUM ALLOYS ≤ 150 Bhn (800-1200) Feed (ipm) 97.50 97.50 97.50 97.50 97.50 97.50 N 2017, 2024, 356, 6061, or 7075 ≤ 7 HRc Slot 800 RPM 611200 195897 97949 48896 32580 25467 Fz 0.000064 0.00020 0.00040 0.00080 0.00120 0.00153 (640-960) Feed (ipm) 78.00 78.00 78.00 78.00 78.00 78.00 Profile 515 RPM 393460 126109 63054 31477 20973 16394 Fz 0.000048 0.00015 0.00030 0.00060 0.00090 0.00115 COPPER ALLOYS ≤ 140 Bhn (412-618) Feed (ipm) 37.68 37.68 37.68 37.68 37.68 37.68 N Alum Bronze, C110, or Muntz Brass ≤ 3 HRc Slot 410 RPM 313240 100397 50199 25059 16697 13052 Fz 0.000048 0.00015 0.00030 0.00060 0.00090 0.00115 (328-492) Feed (ipm) 30.00 30.00 30.00 30.00 30.00 30.00 continued on next page 96 END MILLS wwEwN.DsgMsImLLicSrotools.com