FRACTIONAL Combined Drill & Countersink Series Diameter (D1) 301 Vc (inch) Fractional Hardness (sfm) 1/32 5/64 1/8 3/16 7/32 ≤ 220 Bhn 40 RPM 1222 815 489 349 306 or (32-48) Fr 0.00036 0.0005 0.0009 0.0013 0.0014 ≤ 19 HRc Feed (ipm) 0.4 0.4 0.4 0.4 0.4 SUPER ALLOYS 25 RPM 764 509 306 218 191 (NICKEL, COBALT, ≤ 320 Bhn IRON BASE) or Fr 0.00033 0.0005 0.0008 0.0011 0.0013 Inconel 601, 617, 625, ≤ 34 HRc (20-30) Incoloy 800, Monel 400, Feed (ipm) 0.3 0.3 0.3 0.3 0.3 Rene, Waspaloy 20 RPM 611 407 244 175 153 ≤ 425 Bhn or (16-24) Fr 0.00016 0.0002 0.0004 0.0006 0.0007 ≤ 45 HRc Feed (ipm) 0.1 0.1 0.1 0.1 0.1 S 85 RPM 2598 1732 1039 742 649 ≤ 275 Bhn or (68-102) Fr 0.00064 0.0010 0.0016 0.0022 0.0026 ≤ 28 HRc Feed (ipm) 1.7 1.7 1.7 1.7 1.7 TITANIUM ALLOYS 65 RPM 1986 1324 795 568 497 Pure Titanium, Ti6Al4V, ≤ 350 Bhn Ti6Al2Sn4Zr2Mo, or (52-78) Fr 0.00036 0.0005 0.0009 0.0013 0.0014 Ti4Al4Mo2Sn0.5Si, ≤ 38 HRc Feed (ipm) 0.7 0.7 0.7 0.7 0.7 Ti-6Al4V ≤ 440 Bhn 55 RPM 1681 1121 672 480 420 or (44-66) Fr 0.00032 0.0005 0.0008 0.0011 0.0013 ≤ 47 HRc Feed (ipm) 0.5 0.5 0.5 0.5 0.5 ≤ 80 Bhn 540 RPM 16502 11002 6601 4715 4126 or (432-648) Fr 0.00100 0.0015 0.0025 0.0035 0.0040 ALUMINUM ALLOYS ≤ 47 HRb Feed (ipm) 16.5 16.5 16.5 16.5 16.5 2017, 2024, 356, 455 RPM 13905 9270 5562 3973 3476 6061, 7075 ≤ 150 Bhn or (364-546) Fr 0.00100 0.0015 0.0025 0.0035 0.0040 ≤ 7 HRc Feed (ipm) 13.9 13.9 13.9 13.9 13.9 ≤ 140 Bhn 190 RPM 5806 3871 2323 1659 1452 N or (152-228) Fr 0.00048 0.0007 0.0012 0.0017 0.0019 COPPER ALLOYS ≤ 3 HRc Feed (ipm) 2.8 2.8 2.8 2.8 2.8 Alum Bronze, C110, 175 RPM 5348 3565 2139 1528 1337 Muntz Brass ≤ 200 Bhn or (140-210) Fr 0.00048 0.0007 0.0012 0.0017 0.0019 ≤ 23 HRc Feed (ipm) 2.6 2.6 2.6 2.6 2.6 500 RPM 15280 10187 6112 4366 3820 PLASTICS Fr 0.00100 0.0015 0.0025 0.0035 0.0040 Polycarbonate, PVC (400-600) Feed (ipm) 15.3 15.3 15.3 15.3 15.3 Bhn (Brinell)  HRc (Rockwell C)  HRb (Rockwell B) rpm = Vc x 3.82 / D1 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 KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyoceraD-sRgILsLtoSol.com DRILLS 313