b'METRICSeries M814 15xDVc DCmmSeries M814 15xD Hardness (m/min) 1 2 3 4RPM 39746 19873 13249 9937CARBON STEELS175 Bhn 125 1018, 1040, 1080, 1090, 10L50, or (100-150) Fz 0.0160 0.0320 0.0479 0.06391140, 1212, 12L15, 1525, 15367 HRcFeed (mm/min) 635 635 635 635PRPM 30052 15026 10017 7513ALLOY STEELS275 Bhn 944140, 4150, 4320, 5120, or (76-113) Fz 0.0139 0.0279 0.0418 0.05585150, 8630, 86L20, 5010028 HRcFeed (mm/min) 419 419 419 419RPM 14541 7271 4847 3635TOOL STEELS475 Bhn 46H A2, D2, H13, L2, M2, or (37-55) Fz 0.0070 0.0140 0.0210 0.0279P20, S7, T15, W250 HRcFeed (mm/min) 102 102 102 102RPM 34899 17449 11633 8725CAST IRONS220 Bhn 110K Gray, Malleable, Ductile or (68-132) Fz 0.0229 0.0459 0.0688 0.091719 HRcFeed (mm/min) 800 800 800 800RPM 17449 8725 5816 4362STAINLESS STEELS275 Bhn 55(FREE MACHINING) or (44-66) Fz 0.0127 0.0253 0.0380 0.0507303, 416, 420F, 430F, 440F 28 HRcFeed (mm/min) 221 221 221 221MSTAINLESS STEELS RPM 12118 6059 4039 3029(DIFFICULT)325 Bhn 38304, 316, 321, 13-8 PH, 15-5PH, 17-4or (30-46) Fz 0.0094 0.0189 0.0283 0.0377PH, CUSTOM 45035 HRcFeed (mm/min) 114 114 114 114SUPER ALLOYS RPM 8725 4362 2908 2181(NICKEL, COBALT, IRON BASE)320 Bhn 27Inconel 601, 617, 625, Incoloy 800,or (22-33) Fz 0.0064 0.0128 0.0192 0.0256Monel 400, Rene, Waspaloy 34 HRcFeed (mm/min) 56 56 56 56STITANIUM ALLOYS RPM 14541 7271 4847 3635Pure Titanium, Ti6Al4V,350 Bhn 46Ti6Al2Sn4Zr2Mo, or (37-55) Fz 0.0077 0.0154 0.0231 0.0307Ti4Al4Mo2Sn0.5Si 38 HRcFeed (mm/min) 112 112 112 112RPM 41200 20600 13733 10300ALUMINUM ALLOYS150 Bhn 1302017, 2024, 356, 6061, 7075 or (104-155) Fz 0.0287 0.0573 0.0860 0.1147 7 HRcFeed (mm/min) 1181 1181 1181 1181NRPM 31506 15753 10502 7877COPPER ALLOYS140 Bhn 99Alum Bronze, C110, Muntz Brass or (79-119) Fz 0.0286 0.0572 0.0859 0.1145 3 HRcFeed (mm/min) 902 902 902 902Note: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 informationDRILLS DRILLS 117www.sgsmicrotools.com'