b'METRICSeries M081Vc DCmmSeries M081 Hardness (m/min) 0 .15 0 .25 0 .5 1 2 3RPM 180958 108575 54287 27144 13572 9048CARBON STEELS175 Bhn 85 1018, 1040, 1080, 1090, 10L50,or (68-102) Fz 0.0031 0.0051 0.0103 0.0206 0.0412 0.06181140, 1212, 12L15, 1525, 15367 HRcFeed (mm/min) 559 559 559 559 559 559PRPM 116330 69798 34899 17449 8725 5816ALLOY STEELS275 Bhn 55 4140, 4150, 4320, 5120, or (44-66) Fz 0.0029 0.0048 0.0097 0.0194 0.0387 0.05815150, 8630, 86L20, 5010028 HRcFeed (mm/min) 338 338 338 338 338 338RPM 45239 27144 13572 6786 3393 2262TOOL STEELS475 Bhn 21 H A2, D2, H13, L2, M2, or (17-26) Fz 0.0012 0.0020 0.0039 0.0079 0.0157 0.0236P20, S7, T15, W250 HRcFeed (mm/min) 53 53 53 53 53 53RPM 180958 108575 54287 27144 13572 9048CAST IRONS220 Bhn 85 K Gray, Malleable, Ductile or (68-102) Fz 0.0022 0.0037 0.0074 0.0148 0.0296 0.044419 HRcFeed (mm/min) 401 401 401 401 401 401RPM 135718 81431 40715 20358 10179 6786STAINLESS STEELS250 Bhn 64 (FREE MACHINING) or (51-77) Fz 0.0032 0.0053 0.0106 0.0212 0.0424 0.0636303, 416, 420F, 430F, 440F24 HRcFeed (mm/min) 432 432 432 432 432 432MSTAINLESS STEELS RPM 116330 69798 34899 17449 8725 5816(DIFFICULT)275 Bhn 55 304, 316, 321, 13-8 PH, 15-5PH,or (44-66) Fz 0.0029 0.0048 0.0097 0.0194 0.0387 0.058117-4 PH, CUSTOM 450 28 HRcFeed (mm/min) 338 338 338 338 338 338SUPER ALLOYS RPM 45239 27144 13572 6786 3393 2262(NICKEL, COBALT, IRON BASE)320 Bhn 21 Inconel 601, 617, 625, Incoloyor (17-26) Fz 0.0018 0.0030 0.0060 0.0120 0.0240 0.0359800, Monel 400, Rene, 34 HRcWaspaloyFeed (mm/min) 81 81 81 81 81 81STITANIUM ALLOYS RPM 77553 46532 23266 11633 5816 3878Pure Titanium, Ti6Al4V,350 Bhn 37 Ti6Al2Sn4Zr2Mo, or (29-44) Fz 0.0018 0.0031 0.0061 0.0122 0.0245 0.0367Ti4Al4Mo2Sn0.5Si 38 HRcFeed (mm/min) 142 142 142 142 142 142RPM 387767 232660 116330 58165 29082 19388ALUMINUM ALLOYS150 Bhn 183 2017, 2024, 356, 6061, 7075 or (146-219) Fz 0.0035 0.0059 0.0118 0.0236 0.0472 0.0707 7 HRcFeed (mm/min) 1372 1372 1372 1372 1372 1372RPM 122793 73676 36838 18419 9209 6140COPPER ALLOYS140 Bhn 58 N Alum Bronze, C110, Muntzor (46-69) Fz 0.0029 0.0049 0.0097 0.0194 0.0389 0.0583Brass3 HRcFeed (mm/min) 358 358 358 358 358 358RPM 323139 193883 96942 48471 24235 16157PLASTICS 152Fz 0.0035 0.0059 0.0118 0.0236 0.0472 0.0707Polycarbonate, PVC (122-183)Feed (mm/min) 1143 1143 1143 1143 1143 1143Note:Bhn (Brinell)HRc (Rockwell C)HRb (Rockwell B) rpm = (Vc x 1000) / (DC x 3.14) mm/min = Fr x rpm (Fr x maximum available rpm when recommendation exceeds machine limit) reduce speed and feed 30% when using uncoated drills reduce speed and feed for materials harder than listed refer to the KYOCERA SGS Tool Wizard or sgsmicrotools.com for complete technical information92 DRILLS DRILLSwww.sgsmicrotools.com'