Series Diameter (D1) 140M 8D Vc (mm) Metric Hardness (m/min) 3 6 8 10 12 14 16 ≤ 300 Bhn 20 RPM 2100 1050 788 630 525 450 394 SUPER ALLOYS or Fr 0.021 0.041 0.055 0.069 0.082 0.096 0.110 (NICKEL , COBALT, ≤ 32 HRc (16-24) Feed (mm/min) 43 43 43 43 43 43 43 IRON BASE) Inconel 601, 617, 625, Incoloy, ≤ 400 Bhn 11 RPM 1131 565 424 339 283 242 212 Monel 400, Rene, Waspaloy or Fr 0.013 0.027 0.036 0.045 0.054 0.063 0.072 ≤ 43 HRc (9-13) Series 140 8xD  Feed (mm/min) 15 15 15 15 15 15 15 ≤ 275 Bhn 56 RPM 5978 2989 2242 1793 1495 1281 1121 S or Fr 0.038 0.076 0.102 0.127 0.153 0.178 0.204 ≤ 28 HRc (45-68) Feed (mm/min) 229 229 229 229 229 229 229 TITANIUM ALLOYS 43 RPM 4524 2262 1696 1357 1131 969 848 Pure Titanium, Ti6Al4V, ≤ 350 Bhn Ti6Al2Sn4Zr2Mo, or Fr 0.028 0.056 0.075 0.094 0.112 0.131 0.150 Ti4Al4Mo2Sn0.5Si, ≤ 38 HRc (34-51) Ti-6Al4V Feed (mm/min) 127 127 127 127 127 127 127 |  ≤ 440 Bhn 23 RPM 2424 1212 909 727 606 519 454 Speed & Feed Recommendations or Fr 0.024 0.048 0.064 0.080 0.096 0.112 0.129 ≤ 47 HRc (18-27) Feed (mm/min) 58 58 58 58 58 58 58 ≤ 80 Bhn 223 RPM 23589 11795 8846 7077 5897 5055 4423 or Fr 0.108 0.215 0.287 0.359 0.431 0.502 0.574 ALUMINUM ALLOYS ≤ 47 HRb (178-267) Feed (mm/min) 2540 2540 2540 2540 2540 2540 2540 2017, 2024, 356, 6061, 7075 ≤ 150 Bhn 194 RPM 20519 10260 7695 6156 5130 4397 3847 or Fr 0.111 0.223 0.297 0.371 0.446 0.520 0.594 ≤ 7 HRc (155-232) Feed (mm/min) 2286 2286 2286 2286 2286 2286 2286 N ≤ 140 Bhn 78 RPM 8240 4120 3090 2472 2060 1766 1545 or Fr 0.043 0.086 0.115 0.144 0.173 0.201 0.230 COPPER ALLOYS ≤ 3 HRc (62-93) Feed (mm/min) 356 356 356 356 356 356 356 Alum Bronze, C110, Muntz Brass ≤ 200 Bhn 72 RPM 7594 3797 2848 2278 1898 1627 1424 or Fr 0.043 0.087 0.116 0.145 0.174 0.203 0.232 ≤ 23 HRc (57-86) Feed (mm/min) 330 330 330 330 330 330 330 Note: •  Bhn (Brinell)  HRc (Rockwell C)  HRb (Rockwell B) •  rpm = (Vc x 1000) / (D1 x 3.14) www.sgstoolwizard.com •  mm/min = Fr x rpm •  reduce speed and feed for materials harder than listed •  refer to the KYOCERA SGS Tool Wizard for complete technical information (www.kyocera-sgstool.com) www.kyocera-sgstool.com 55