
METRIC 4 Flute: Ball Ap Diameter (D1) M4MB Ae Ae (mm) 1.5xD 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 ≤ .30 ≤ .50 ≤1 Fz 0.00019 0.00095 0.00189 0.00284 0.00378 0.00473 0.00567 (15-22) (NICKEL, COBALT, ≤ 300 Bhn Feed (mm/min) 44 44 44 44 44 44 44 IRON BASE) or Inconel 601, 617, 625, ≤ 32 HRc 14 RPM 43624 8725 4362 2908 2181 1745 1454 Slot Incoloy, Monel 400 1 ≤ .20 ≤ .50 Fz 0.00019 0.00095 0.00189 0.00284 0.00378 0.00473 0.00567 (11-16) Feed (mm/min) 33 33 33 33 33 33 33 14 RPM 43624 8725 4362 2908 2181 1745 1454 Profile SUPER ALLOYS ≤ .30 ≤ .50 ≤1 Fz 0.00013 0.00064 0.00127 0.00191 0.00255 0.00318 0.00376 (NICKEL, COBALT, (11-16) ≤ 400 Bhn Feed (mm/min) 22 22 22 22 22 22 22 IRON BASE) or Inconel 718, X-750, 11 RPM 33930 6786 3393 2262 1696 1357 1131 ≤ 43 HRc Slot Incoloy, Waspaloy, Hastelloy, Rene 1 ≤ .20 ≤ .50 Fz 0.00013 0.00064 0.00127 0.00191 0.00255 0.00318 0.00376 (9-13) Feed (mm/min) 17 17 17 17 17 17 17 S 49 RPM 155107 31021 15511 10340 7755 6204 5170 Profile TITANIUM ALLOYS ≤ .30 ≤ .50 ≤1 Fz 0.00021 0.00106 0.00212 0.00317 0.00423 0.00529 0.00637 (39-59) Pure Titanium, ≤ 350 Bhn Feed (mm/min) 131 131 131 131 131 131 131 Ti6Al4V, or Ti6Al2Sn4Zr2Mo, ≤ 38 HRc 40 RPM 126024 25205 12602 8402 6301 5041 4201 Slot Ti4Al4Mo2Sn0.5Si 1 ≤ .20 ≤ .50 Fz 0.00021 0.00106 0.00212 0.00317 0.00423 0.00529 0.00637 (32-48) Feed (mm/min) 107 107 107 107 107 107 107 18 RPM 58165 11633 5816 3878 2908 2327 1939 TITANIUM ALLOYS Profile (DIFFICULT) ≤ .30 ≤ .50 ≤1 Fz 0.00015 0.00073 0.00146 0.00218 0.00291 0.00364 0.00430 Ti10Al2Fe3Al, (15-22) ≤ 440 Bhn Feed (mm/min) 34 34 34 34 34 34 34 Ti5Al5V5Mo3Cr, or Ti7Al4Mo, 14 RPM 43624 8725 4362 2908 2181 1745 1454 ≤ 47 HRc Slot Ti3Al8V6Cr4Zr4Mo, Ti6Al6V6Sn, 1 ≤ .20 ≤ .50 Fz 0.00015 0.00073 0.00146 0.00218 0.00291 0.00364 0.00430 Ti15V3 Cr3Sn3Al (11-16) Feed (mm/min) 25 25 25 25 25 25 25 305 RPM 969416 193883 96942 64628 48471 38777 32314 Profile ≤ .30 ≤ .50 ≤1 Fz 0.00102 0.00512 0.01023 0.01535 0.02047 0.02559 0.03070 (244-366) ALUMINUM ALLOYS ≤ 150 Bhn Feed (mm/min) 3969 3969 3969 3969 3969 3969 3969 2017, 2024, 356, 6061, or 7075 ≤ 7 HRc 244 RPM 775533 155107 77553 51702 38777 31021 25851 Slot 1 ≤ .20 ≤ .50 Fz 0.00102 0.00512 0.01023 0.01535 0.02047 0.02559 0.03070 (195-293) Feed (mm/min) 3175 3175 3175 3175 3175 3175 3175 157 RPM 499249 99850 49925 33283 24962 19970 16642 Profile ≤ .30 ≤ .50 ≤1 Fz 0.00077 0.00383 0.00767 0.01150 0.01534 0.01917 0.02300 (126-188) COPPER ALLOYS ≤ 140 Bhn Feed (mm/min) 1531 1531 1531 1531 1531 1531 1531 N Alum Bronze, C110, or Muntz Brass ≤ 3 HRc 125 RPM 397461 79492 39746 26497 19873 15898 13249 Slot 1 ≤ .20 ≤ .50 Fz 0.00077 0.00383 0.00767 0.01150 0.01534 0.01917 0.02300 (100-150) Feed (mm/min) 1219 1219 1219 1219 1219 1219 1219 305 RPM 969416 193883 96942 64628 48471 38777 32314 Profile ≤ .30 ≤ .50 ≤1 Fz 0.00102 0.00512 0.01023 0.01535 0.02047 0.02559 0.03070 (244-366) PLASTICS Feed (mm/min) 3969 3969 3969 3969 3969 3969 3969 Polycarbonate, PVC, Polypropylene 244 RPM 775533 155107 77553 51702 38777 31021 25851 Slot 1 ≤ .20 ≤ .50 Fz 0.00102 0.00512 0.01023 0.01535 0.02047 0.02559 0.03070 (195-293) Feed (mm/min) 3175 3175 3175 3175 3175 3175 3175 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) 51 END MILLS www.ksptmicrotools.com END MILLS