METRIC Series M814 15xD DC • mm Vc Series M814 15xD Hardness (m/min) 1 2 3 4 RPM 39746 19873 13249 9937 CARBON STEELS1018, 1040, 1080, 1090, 10L50,1140, 1212, 12L15, 1525, 1536≤ 175 Bhnor≤ 7 HRc125(100-150)Fz0.0160 0.0320 0.0479 0.0639 Feed (mm/min) 635 635 635 635 P RPM 30052 15026 10017 7513 ALLOY STEELS4140, 4150, 4320, 5120,5150, 8630, 86L20, 50100≤ 275 Bhnor≤ 28 HRc94(76-113)Fz 0.0139 0.0279 0.0418 0.0558 Feed (mm/min) 419 419 419 419 RPM 14541 7271 4847 3635 TOOL STEELSHA2, D2, H13, L2, M2,P20, S7, T15, W2≤ 475 Bhnor≤ 50 HRc46(37-55) Fz 0.0070 0.0140 0.0210 0.0279 Feed (mm/min) 102 102 102 102 RPM 34899 17449 11633 8725 K CAST IRONSGray, Malleable, Ductile ≤ 220 Bhnor≤ 19 HRc 110(68-132) Fz 0.0229 0.0459 0.0688 0.0917 Feed (mm/min) 800 800 800 800 RPM 17449 8725 5816 4362 STAINLESS STEELS(FREE MACHINING)303, 416, 420F, 430F, 440F≤ 275 Bhnor≤ 28 HRc55(44-66)Fz 0.0127 0.0253 0.0380 0.0507 Feed (mm/min) 221 221 221 221 M STAINLESS STEELS(DIFFICULT)304, 316, 321, 13-8 PH, 15-5PH, 17-4PH, CUSTOM 450≤ 325 Bhnor≤ 35 HRcRPM1211838(30-46)Fz0.0094Feed (mm/min)11460590.018911440390.028311430290.0377114 SUPER ALLOYS(NICKEL, COBALT, IRON BASE)Inconel 601, 617, 625, Incoloy 800,Monel 400, Rene, Waspaloy≤ 320 Bhnor≤ 34 HRcRPM872527(22-33)Fz0.0064Feed (mm/min)5643620.01285629080.01925621810.025656 S TITANIUM ALLOYSPure Titanium, Ti6Al4V,Ti6Al2Sn4Zr2Mo,Ti4Al4Mo2Sn0.5Si RPM 14541 7271 4847 3635≤ 350 Bhnor≤ 38 HRc46(37-55)Fz0.00770.01540.02310.0307Feed (mm/min)112112112112 RPM 41200 20600 13733 10300 ALUMINUM ALLOYS2017, 2024, 356, 6061, 7075≤ 150 Bhnor≤ 7 HRc 130(104-155) Fz 0.0287 0.0573 0.0860 0.1147 Feed (mm/min) 1181 1181 1181 1181 N RPM 31506 15753 10502 7877 COPPER ALLOYSAlum Bronze, C110, Muntz Brass≤ 140 Bhnor≤ 3 HRc 99(79-119) Fz 0.0286 0.0572 0.0859 0.1145 Feed (mm/min) 902 902 902 902 Note: •  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 information www.sgsmicrDoRtoILoLlSs.com DRILLS 137