METRIC Series M226 • L226 DC • mm Vc Series M226 • L226 Hardness (m/min) 0.04 0.25 0.5 1 2 3 RPM 315060 50410 25205 12602 6301 4201 CARBON STEELS ≤ 175 Bhn1018, 1040, 1080, 1090, 10L50,or1140, 1212, 12L15, 1525, 1536≤ 7 HRc40(32-48)Fz0.0010.0070.0140.0290.058 0.086 Feed (mm/min) 363 363 363 363 363 363 P RPM 472590 75614 37807 18904 9452 6301 ALLOY STEELS4140, 4150, 4320, 5120,5150, 8630, 86L20, 50100≤ 275 Bhnor≤ 28 HRc59(48-71)Fz0.001 0.007 0.013 0.026 0.052 0.078 Feed (mm/min) 493 493 493 493 493 493 RPM 193883 31021 15511 7755 3878 2585 TOOL STEELSHA2, D2, H13, L2, M2,P20, S7, T15, W2≤ 475 Bhnor≤ 50 HRc24(20-29)Fz 0.001 0.003 0.007 0.013 0.026 0.039 Feed (mm/min) 102 102 102 102 102 102 RPM 678591 108575 54287 27144 13572 9048 K CAST IRONSGray, Malleable, Ductile≤ 220 Bhnor≤ 19 HRc 85(68-102) Fz 0.001 0.004 0.008 0.016 0.033 0.049 Feed (mm/min) 445 445 445 445 445 445 RPM 157530 25205 12602 6301 3151 2100 STAINLESS STEELS(FREE MACHINING)303, 416, 420F, 430F, 440F≤ 275 Bhnor≤ 28 HRc20(16-24)Fz0.001 0.005 0.011 0.022 0.044 0.065 Feed (mm/min) 137 137 137 137 137 137 M STAINLESS STEELS(DIFFICULT)304, 316, 321, 13-8 PH, 15-5PH,17-4 PH, CUSTOM 450≤ 325 Bhnor≤ 35 HRcRPM9694212(10-15)Fz0.001Feed (mm/min)69155110.0046977550.0096938780.0186919390.0356912930.05369 SUPER ALLOYS RPM 121177 19388 9694 4847 2424 1616 (NICKEL, COBALT, IRON BASE) ≤ 320 BhnInconel 601, 617, 625, Incoloyor800, Monel 400, Rene,≤ 34 HRc15(12-18)Fz0.0000.0030.0060.0110.022 0.033 Waspaloy Feed (mm/min) 53 53 53 53 53 53 S TITANIUM ALLOYSPure Titanium, Ti6Al4V,Ti6Al2Sn4Zr2Mo,Ti4Al4Mo2Sn0.5SiRPM 121177 19388≤ 350 Bhnor≤ 38 HRc15(12-18)Fz0.0010.004Feed (mm/min)828296940.0088248470.0178224240.0348216160.05182 RPM 593768 95003 47501 23751 11875 7917 ALUMINUM ALLOYS2017, 2024, 356, 6061, 7075≤ 150 Bhnor≤ 7 HRc75(60-90)Fz 0.002 0.012 0.025 0.049 0.099 0.148 Feed (mm/min) 1171 1171 1171 1171 1171 1171 RPM 436237 69798 34899 17449 8725 5816 COPPER ALLOYSNAlum Bronze, C110, MuntzBrass≤ 140 Bhnor≤ 3 HRc55(44-66)Fz 0.002 0.012 0.025 0.049 0.099 0.148 Feed (mm/min) 861 861 861 861 861 861 RPM 593768 95003 47501 23751 11875 7917 PLASTICSPolycarbonate, PVC 75(60-90) Fz 0.002 0.012 0.025 0.049 0.099 0.148 Feed (mm/min) 1171 1171 1171 1171 1171 1171 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 www.sgsmicrDoRtoILoLlSs.com DRILLS 133