METRIC Series 33 Ap Series Diameter (D1) Ae Ae (mm) 33MCR Vc Metric Hardness Ae x D1 Ap x D1 (m/min) 3 6 8 10 12 16 20 Profile 104 RPM 10987 5493 4120 3296 2747 2060 1648 ≤ 0.5 ≤ 1.5 (83-124) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 STAINLESS STEELS ≤ 275 Bhn Feed (mm/min) 237 316 396 396 395 396 343 (DIFFICULT) or 82 RPM 8725 4362 3272 2617 2181 1636 1309 304, 304L, 316, 316L ≤ 28 HRc Slot 1 ≤1 (66-99) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 M Feed (mm/min) 188 251 314 314 314 314 272 Profile 94 RPM 10017 5009 3756 3005 2504 1878 1503 ≤ 0.5 ≤ 1.5 (76-113) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 STAINLESS STEELS ≤ 325 Bhn Feed (mm/min) 216 288 361 361 361 361 313 (PH) or 13-8 PH, 15-5 PH, ≤ 35 HRc 76 RPM 8078 4039 3029 2424 2020 1515 1212 17-4 PH, Custom 450 Slot 1 ≤1 (61-91) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 Feed (mm/min) 174 233 291 291 291 291 252 Profile 24 RPM 2585 1293 969 776 646 485 388 SUPER ALLOYS ≤ 0.5 ≤ 1.5 (20-29) Fz 0.006 0.017 0.028 0.035 0.041 0.054 0.059 (NICKEL, COBALT, ≤ 300 Bhn Feed (mm/min) 48 65 81 65 79 78 68 IRON BASE) or 20 RPM 2100 1050 788 630 525 394 315 Inconel 601, 617, 625, ≤ 32 HRc Slot Incoloy, Monel 400 1 ≤1 Fz 0.006 0.017 0.028 0.035 0.041 0.054 0.059 (16-24) Feed (mm/min) 39 53 66 66 64 64 55 Profile 19 RPM 2003 1002 751 601 501 376 301 SUPER ALLOYS ≤ 0.5 ≤ 1.5 (15-23) Fz 0.005 0.012 0.019 0.024 0.029 0.038 0.043 (NICKEL, COBALT, ≤ 400 Bhn Feed (mm/min) 29 36 43 43 43 43 38 IRON BASE) or Inconel 718, X-750, ≤ 43 HRc 15 RPM 1583 792 594 475 396 297 238 Incoloy, Waspaloy, Slot Hastelloy, Rene 1 ≤1 (12-18) Fz 0.005 0.012 0.019 0.024 0.029 0.038 0.043 S Feed (mm/min) 23 28 34 34 34 34 30 Profile 66 RPM 6947 3474 2605 2084 1737 1303 1042 TITANIUM ALLOYS ≤ 0.5 ≤ 1.5 (52-79) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 Pure Titanium, ≤ 350 Bhn Feed (mm/min) 150 200 250 250 250 250 217 Ti6Al4V, or 52 RPM 5493 2747 2060 1648 1373 1030 824 Ti6Al2Sn4Zr2Mo, ≤ 38 HRc Slot Ti4Al4Mo2Sn0.5Si 1 ≤1 Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 (41-62) Feed (mm/min) 119 158 198 198 198 198 171 TITANIUM ALLOYS Profile 23 RPM 2424 1212 909 727 606 454 364 (DIFFICULT) ≤ 0.5 ≤ 1.5 (18-27) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 Ti10Al2Fe3Al, ≤ 440 Bhn Feed (mm/min) 52 70 87 87 87 87 76 Ti5Al5V5Mo3Cr, or Ti7Al4Mo, ≤ 47 HRc 18 RPM 1939 969 727 582 485 364 291 Ti3Al8V6Cr4Zr4Mo, Slot Ti6Al6V6Sn, 1 ≤1 (15-22) Fz 0.007 0.019 0.032 0.040 0.048 0.064 0.069 Ti15V3 Cr3Sn3Al Feed (mm/min) 42 56 70 70 70 70 60 Bhn (Brinell)   HRc (Rockwell C)   rpm = (Vc x 1000) / (D1 x 3.14) mm/min = Fz x 3 x rpm reduce speed and feed for materials harder than listed reduce feed and Ae when finish milling (.02 x D1 maximum) refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyocerEaN-DsgMstILoLoSl.com END MILLS 97