
METRIC 4 Flute: Ball Ap Diameter (D1) M4MB Ae Ae (mm) 3xD Vc Metric Hardness Ae x D1 Ap x D1 (m/min) 0.1 0.5 1 1.5 2 2.5 3 18 RPM 58165 11633 5816 3878 2908 2327 1939 Profile SUPER ALLOYS ≤ .10 ≤ .25 ≤2 Fz 0.00016 0.00080 0.00160 0.00240 0.00320 0.00400 0.00481 (15-22) (NICKEL, COBALT, ≤ 300 Bhn Feed (mm/min) 37 37 37 37 37 37 37 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 14 RPM 43624 8725 4362 2908 2181 1745 1454 Slot Incoloy, Monel 400 1 ≤ .15 ≤ .35 Fz 0.00016 0.00080 0.00160 0.00240 0.00320 0.00400 0.00481 (11-16) Feed (mm/min) 28 28 28 28 28 28 28 14 RPM 43624 8725 4362 2908 2181 1745 1454 Profile SUPER ALLOYS ≤ .10 ≤ .25 ≤2 Fz 0.00011 0.00056 0.00112 0.00168 0.00225 0.00281 0.00332 (NICKEL, COBALT, (11-16) ≤ 400 Bhn Feed (mm/min) 20 20 20 20 20 20 20 IRON BASE) or Inconel 718, X-750, 11 RPM 33930 6786 3393 2262 1696 1357 1131 ≤ 43 HRc Slot Incoloy, Waspaloy, Hastelloy, Rene 1 ≤ .15 ≤ .35 Fz 0.00011 0.00056 0.00112 0.00168 0.00225 0.00281 0.00332 (9-13) Feed (mm/min) 15 15 15 15 15 15 15 S 49 RPM 155107 31021 15511 10340 7755 6204 5170 Profile TITANIUM ALLOYS ≤ .10 ≤ .25 ≤2 Fz 0.00020 0.00098 0.00197 0.00295 0.00393 0.00491 0.00589 (39-59) Pure Titanium, ≤ 350 Bhn Feed (mm/min) 122 122 122 122 122 122 122 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 40 RPM 126024 25205 12602 8402 6301 5041 4201 Slot Ti4Al4Mo2Sn0.5Si 1 ≤ .15 ≤ .35 Fz 0.00020 0.00098 0.00197 0.00295 0.00393 0.00491 0.00589 (32-48) Feed (mm/min) 99 99 99 99 99 99 99 18 RPM 58165 11633 5816 3878 2908 2327 1939 TITANIUM ALLOYS Profile (DIFFICULT) ≤ .10 ≤ .25 ≤2 Fz 0.00013 0.00066 0.00131 0.00197 0.00262 0.00328 0.00395 Ti10Al2Fe3Al, (15-22) ≤ 440 Bhn Feed (mm/min) 30 30 30 30 30 30 30 Ti5Al5V5Mo3Cr, or Ti7Al4Mo, 14 RPM 43624 8725 4362 2908 2181 1745 1454 ≤ 47 HRc Slot Ti3Al8V6Cr4Zr4Mo, Ti6Al6V6Sn, 1 ≤ .15 ≤ .35 Fz 0.00013 0.00066 0.00131 0.00197 0.00262 0.00328 0.00395 Ti15V3 Cr3Sn3Al (11-16) Feed (mm/min) 23 23 23 23 23 23 23 305 RPM 969416 193883 96942 64628 48471 38777 32314 Profile ≤ .10 ≤ .25 ≤2 Fz 0.00093 0.00467 0.00933 0.01400 0.01867 0.02334 0.02801 (244-366) ALUMINUM ALLOYS ≤ 150 Bhn Feed (mm/min) 3620 3620 3620 3620 3620 3620 3620 2017, 2024, 356, 6061, or 7075 ≤ 7 HRc 244 RPM 775533 155107 77553 51702 38777 31021 25851 Slot 1 ≤ .15 ≤ .35 Fz 0.00093 0.00467 0.00933 0.01400 0.01867 0.02334 0.02801 (195-293) Feed (mm/min) 2896 2896 2896 2896 2896 2896 2896 157 RPM 499249 99850 49925 33283 24962 19970 16642 Profile ≤ .10 ≤ .25 ≤2 Fz 0.00069 0.00343 0.00687 0.01030 0.01374 0.01717 0.02061 (126-188) COPPER ALLOYS ≤ 140 Bhn Feed (mm/min) 1372 1372 1372 1372 1372 1372 1372 N Alum Bronze, C110, or Muntz Brass ≤ 3 HRc 125 RPM 397461 79492 39746 26497 19873 15898 13249 Slot 1 ≤ .15 ≤ .35 Fz 0.00069 0.00343 0.00687 0.01030 0.01374 0.01717 0.02061 (100-150) Feed (mm/min) 1092 1092 1092 1092 1092 1092 1092 305 RPM 969416 193883 96942 64628 48471 38777 32314 Profile ≤ .10 ≤ .25 ≤2 Fz 0.00093 0.00467 0.00933 0.01400 0.01867 0.02334 0.02801 (244-366) PLASTICS Feed (mm/min) 3620 3620 3620 3620 3620 3620 3620 Polycarbonate, PVC, Polypropylene 244 RPM 775533 155107 77553 51702 38777 31021 25851 Slot 1 ≤ .15 ≤ .35 Fz 0.00093 0.00467 0.00933 0.01400 0.01867 0.02334 0.02801 (195-293) Feed (mm/min) 2896 2896 2896 2896 2896 2896 2896 Note: t Bhn (Brinell) HRc (Rockwell C) t when recommended speed exceeds your capability, use maximum available and recalculate ipm t rpm = (Vc x 1000) / (D1 x 3.14) t mm/min = Fz x 4 x rpm t helical ramp at 2 degrees or less, using slotting speed and feed rates (plunging is not recommended) t reduce speed and feed for materials harder than listed t reduce feed and Ae when finish milling (.02 x D1 maximum) t refer to the KYOCERA SGS Tool Wizard for complete technical information (www.kyocera-sgstool.com) 53 END MILLS www.ksptmicrotools.com END MILLS