
FRACTIONAL Combined Drill & Countersink Series DC • in 301 Vc Fractional Hardness (sfm) 1/32 5/64 1/8 3/16 7/32 540 RPM 16502 11002 6601 4715 4126 ≤ 80 Bhn or Fr 0.00100 0.0015 0.0025 0.0035 0.0040 ALUMINUM ALLOYS ≤ 47 HRb (432-648) Feed (ipm) 16.5 16.5 16.5 16.5 16.5 2017, 2024, 356, 6061, 7075 455 RPM 13905 9270 5562 3973 3476≤ 150 Bhn or Fr 0.00100 0.0015 0.0025 0.0035 0.0040 ≤ 7 HRc (364-546) Feed (ipm) 13.9 13.9 13.9 13.9 13.9 190 RPM 5806 3871 2323 1659 1452 ≤ 140 Bhn N or Fr 0.00048 0.0007 0.0012 0.0017 0.0019 COPPER ALLOYS ≤ 3 HRc (152-228) Feed (ipm) 2.8 2.8 2.8 2.8 2.8 Alum Bronze, C110, Muntz Brass 175 RPM 5348 3565 2139 1528 1337≤ 200 Bhn or Fr 0.00048 0.0007 0.0012 0.0017 0.0019 ≤ 23 HRc (140-210) Feed (ipm) 2.6 2.6 2.6 2.6 2.6 500 RPM 15280 10187 6112 4366 3820 PLASTICSPolycarbonate, PVC Fr 0.00100 0.0015 0.0025 0.0035 0.0040(400-600) Feed (ipm) 15.3 15.3 15.3 15.3 15.3 40 RPM 1222 815 489 349 306 ≤ 220 Bhn or Fr 0.00036 0.0005 0.0009 0.0013 0.0014 ≤ 19 HRc (32-48) Feed (ipm) 0.4 0.4 0.4 0.4 0.4 SUPER ALLOYS (NICKEL, COBALT,IRON BASE)Inconel 601, 617, 625,Incoloy 800, Monel 400,≤ 320 Bhnor≤ 34 HRc25(20-30)RPMFrFeed (ipm)7640.000330.35090.00050.33060.00080.32180.00110.31910.00130.3 Rene, Waspaloy ≤ 425 Bhn 20 RPM 611 407 244 175 153 or Fr 0.00016 0.0002 0.0004 0.0006 0.0007 ≤ 45 HRc (16-24) Feed (ipm) 0.1 0.1 0.1 0.1 0.1 S 85 RPM 2598 1732 1039 742 649 ≤ 275 Bhn or Fr 0.00064 0.0010 0.0016 0.0022 0.0026 ≤ 28 HRc (68-102) Feed (ipm) 1.7 1.7 1.7 1.7 1.7 TITANIUM ALLOYSPure Titanium, Ti6Al4V,≤ 350 Bhn 65 RPM 1986 1324 795 568 497 Ti6Al2Sn4Zr2Mo, or Fr 0.00036 0.0005 0.0009 0.0013 0.0014 Ti4Al4Mo2Sn0.5Si, ≤ 38 HRc (52-78) Ti-6Al4V Feed (ipm) 0.7 0.7 0.7 0.7 0.7 55 RPM 1681 1121 672 480 420 ≤ 440 Bhn or Fr 0.00032 0.0005 0.0008 0.0011 0.0013 ≤ 47 HRc (44-66) Feed (ipm) 0.5 0.5 0.5 0.5 0.5 ≤ 250 Bhn 85 RPM 2598 1732 1039 742 649 or Fr 0.00035 0.0005 0.0009 0.0012 0.0014 ≤ 24 HRc (68-102) Feed (ipm) 0.9 0.9 0.9 0.9 0.9 55 RPM 1681 1121 672 480 420 TOOL STEELS ≤ 375 Bhn H A2, D2, H13, L2, M2, or Fr 0.00016 0.0002 0.0004 0.0006 0.0006 P20, S7, T15, W2 ≤ 40 HRc (44-66) Feed (ipm) 0.3 0.3 0.3 0.3 0.3 ≤ 475 Bhn 40 RPM 1222 815 489 349 306 or Fr 0.00016 0.0002 0.0004 0.0006 0.0007 ≤ 50 HRc (32-48) Feed (ipm) 0.2 0.2 0.2 0.2 0.2 Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B) rpm = Vc x 3.82 / DCON ipm = Fr x rpm reduce speed and feed 30 percent when using uncoated drills reduce speed and feed for materials harder than listed refer to the SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyoceraD-sRgILsLtoSol.com DRILLS 313