Series Diameter (D1) 135 5D Vc (inch) Fractional Hardness (sfm) 1/32 1/8 1/4 3/8 1/2 5/8 7/8 ≤ 300 Bhn 40 RPM 4890 1222 611 407 306 244 175 SUPER ALLOYS or Fr 0.0002 0.0008 0.0016 0.0025 0.0033 0.0041 0.0057 (Nickel , Cobalt, ≤ 32 HRc (32-48) Feed (ipm) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Iron Base) Inconel 601, 617, 625, Incoloy, ≤ 400 Bhn 20 RPM 2445 611 306 204 153 122 87 Monel 400, Rene, Waspaloy or Fr 0.0002 0.0007 0.0013 0.0020 0.0026 0.0033 0.0046 ≤ 43 HRc (16-24) Feed (ipm) 0.4 0.4 0.4 0.4 0.4 0.4 0.4 ≤ 275 Bhn 105 RPM 12835 3209 1604 1070 802 642 458 Series 135 5xD  S or Fr 0.0005 0.0018 0.0036 0.0054 0.0072 0.0090 0.0127 ≤ 28 HRc (84-126) Feed (ipm) 5.8 5.8 5.8 5.8 5.8 5.8 5.8 TITANIUM ALLOYS 80 RPM 9779 2445 1222 815 611 489 349 Pure Titanium, Ti6Al4V, ≤ 350 Bhn Ti6Al2Sn4Zr2Mo, or Fr 0.0004 0.0016 0.0032 0.0048 0.0064 0.0080 0.0112 Ti4Al4Mo2Sn0.5Si, ≤ 38 HRc (64-96) Ti-6Al4V Feed (ipm) 3.9 3.9 3.9 3.9 3.9 3.9 3.9 ≤ 440 Bhn 42 RPM 5134 1284 642 428 321 257 183 or Fr 0.0003 0.0012 0.0025 0.0037 0.0050 0.0062 0.0087 |  ≤ 47 HRc (34-50) Speed & Feed Recommendations Feed (ipm) 1.6 1.6 1.6 1.6 1.6 1.6 1.6 ≤ 80 Bhn 635 RPM 77622 19406 9703 6469 4851 3881 2772 or Fr 0.0012 0.0049 0.0099 0.0148 0.0198 0.0247 0.0346 ALUMINUM ALLOYS ≤ 47 HRb (508-762) Feed (ipm) 96.0 96.0 96.0 96.0 96.0 96.0 96.0 2017, 2024, 356, 6061, 7075 ≤ 150 Bhn 540 RPM 66010 16502 8251 5501 4126 3300 2357 or Fr 0.0012 0.0050 0.0099 0.0149 0.0199 0.0248 0.0348 ≤ 7 HRc (432-648) Feed (ipm) 82.0 82.0 82.0 82.0 82.0 82.0 82.0 N ≤ 140 Bhn 450 RPM 55008 13752 6876 4584 3438 2750 1965 or Fr 0.0005 0.0020 0.0040 0.0060 0.0080 0.0100 0.0140 COPPER ALLOYS ≤ 3 HRc (360-540) Feed (ipm) 27.5 27.5 27.5 27.5 27.5 27.5 27.5 Alum Bronze, C110, Muntz Brass ≤ 200 Bhn 360 RPM 44006 11002 5501 3667 2750 2200 1572 or Fr 0.0005 0.0020 0.0040 0.0060 0.0080 0.0100 0.0140 ≤ 23 HRc (288-432) Feed (ipm) 22.0 22.0 22.0 22.0 22.0 22.0 22.0 Note: •  Bhn (Brinell)  HRc (Rockwell C)  HRb (Rockwell B) •  rpm = Vc x 3.82 / D1 www.sgstoolwizard.com •  ipm = Fr x rpm •  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.kyocera-sgstool.com 23