FRACTIONAL Series M105 DC • in Vc Series M105 Hardness (sfm) 0.004 0.010 0.020 0.040 0.080 0.125 RPM 124150 49660 24830 12415 6208 3973 CARBON STEELS ≤ 175 Bhn1018, 1040, 1080, 1090, 10L50,or1140, 1212, 12L15, 1525, 1536≤ 7 HRc130(104-156)Fz0.000120.000290.00060.00120.00230.0036 Feed (ipm) 14.3 14.3 14.3 14.3 14.3 14.3 P RPM 186225 74490 37245 18623 9311 5959 ALLOY STEELS4140, 4150, 4320, 5120,5150, 8630, 86L20, 50100≤ 275 Bhnor≤ 28 HRc195(156-234)Fz0.000100.00026 0.0005 0.0010 0.0021 0.0033 Feed (ipm) 19.4 19.4 19.4 19.4 19.4 19.4 RPM 76400 30560 15280 7640 3820 2445 TOOL STEELSHA2, D2, H13, L2, M2,P20, S7, T15, W2≤ 475 Bhnor≤ 50 HRc80(64-96)Fz 0.00005 0.00013 0.0003 0.0005 0.0010 0.0016 Feed (ipm) 4.0 4.0 4.0 4.0 4.0 4.0 RPM 267400 106960 53480 26740 13370 8557 K CAST IRONSGray, Malleable, Ductile≤ 220 Bhnor≤ 19 HRc 280(224-336) Fz 0.00007 0.00016 0.0003 0.0007 0.0013 0.0020 Feed (ipm) 17.5 17.5 17.5 17.5 17.5 17.5 RPM 62075 24830 12415 6208 3104 1986 STAINLESS STEELS(FREE MACHINING)303, 416, 420F, 430F, 440F≤ 275 Bhnor≤ 28 HRc65(52-78)Fz0.000090.00022 0.0004 0.0009 0.0017 0.0027 Feed (ipm) 5.4 5.4 5.4 5.4 5.4 5.4 M STAINLESS STEELS(DIFFICULT)304, 316, 321, 13-8 PH, 15-5PH,17-4 PH, CUSTOM 450≤ 325 Bhnor≤ 35 HRc40(32-48)RPMFzFeed (ipm)382000.00012.7152800.00022.776400.00042.738200.00072.719100.00142.712220.00222.7 SUPER ALLOYS RPM 47750 19100 9550 4775 2388 1528 (NICKEL, COBALT, IRON BASE) ≤ 320 BhnInconel 601, 617, 625, Incoloyor800, Monel 400, Rene,≤ 34 HRc50(40-60)Fz0.000040.000110.00020.00040.0009 0.0014 Waspaloy Feed (ipm) 2.1 2.1 2.1 2.1 2.1 2.1 S TITANIUM ALLOYSPure Titanium, Ti6Al4V,Ti6Al2Sn4Zr2Mo,Ti4Al4Mo2Sn0.5SiRPM 47750 19100 9550 4775 2388 1528≤ 350 Bhnor≤ 38 HRc50(40-60)Fz0.000050.000130.00030.00050.00100.0016Feed (ipm)2.52.52.52.52.52.5 RPM 233975 93590 46795 23398 11699 7487 ALUMINUM ALLOYS2017, 2024, 356, 6061, 7075≤ 150 Bhnor≤ 7 HRc245(196-294)Fz 0.00020 0.00049 0.0010 0.0020 0.0039 0.0062 Feed (ipm) 46.1 46.1 46.1 46.1 46.1 46.1 RPM 171900 68760 34380 17190 8595 5501 COPPER ALLOYSNAlum Bronze, C110, MuntzBrass≤ 140 Bhnor≤ 3 HRc180(144-216)Fz 0.00020 0.00049 0.0010 0.0020 0.0039 0.0062 Feed (ipm) 33.9 33.9 33.9 33.9 33.9 33.9 RPM 233975 93590 46795 23398 11699 7487 PLASTICSPolycarbonate, PVC 245(196-294) Fz 0.00020 0.00049 0.0010 0.0020 0.0039 0.0062 Feed (ipm) 46.1 46.1 46.1 46.1 46.1 46.1 Note: • Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B) • rpm = Vc x 3.82 / DC • ipm = 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 116 DRILLS wwwD.sRgILsLmSicrotools.com