FRACTIONAL Single End Roughers (Fine Pitch) Ap Series Diameter (D1) Ae Ae (inch) 62 Vc Fractional Hardness Ae x D1 Ap x D1 (sfm) 1/4 3/8 1/2 3/4 1 405 RPM 6188 4126 3094 2063 1547 Profile ≤ 0.5 ≤ 1.5 Fz 0.0006 0.0011 0.0015 0.0019 0.0021 STAINLESS STEELS (324-486) (FREE MACHINING) ≤ 275 Bhn Feed (ipm) 11.1 13.6 18.6 15.7 19.5 303, 416, 420F, or 430F, 440F ≤ 28 HRc 325 RPM 4966 3311 2483 1655 1242 Slot 1 ≤1 Fz 0.0006 0.0011 0.0015 0.0019 0.0021 (260-390) Feed (ipm) 8.9 10.9 14.9 12.6 15.6 M 280 RPM 4278 2852 2139 1426 1070 Profile STAINLESS STEELS ≤ 0.5 ≤ 1.5 Fz 0.0005 0.0009 0.0012 0.0015 0.0017 (DIFFICULT) (224-336) 304, 304L, 316, 316L, ≤ 275 Bhn Feed (ipm) 6.4 7.7 10.3 8.6 10.9 17-4PH, 15-5PH, or 13-4PH, ≤ 28 HRc 225 RPM 3438 2292 1719 1146 860 Custom 450 Slot 1 ≤1 Fz 0.0005 0.0009 0.0012 0.0015 0.0017 (180-270) Feed (ipm) 5.2 6.2 8.3 6.9 8.8 70 RPM 1070 713 535 357 267 Profile SUPER ALLOYS ≤ 0.5 ≤ 1.5 Fz 0.0004 0.0008 0.0010 0.0013 0.0014 (NICKEL, COBALT, (56-84) IRON BASE) ≤ 300 Bhn Feed (ipm) 1.3 1.7 2.1 1.9 2.2 Inconel 601, 617, or 625, Incoloy 800, ≤ 32 HRc 56 RPM 856 570 428 285 214 Monel 400, Rene, Slot Waspalloy 1 ≤1 Fz 0.0004 0.0008 0.0010 0.0013 0.0014 (45-67) Feed (ipm) 1.0 1.4 1.7 1.5 1.8 S TITANIUM ALLOYS 155 RPM 2368 1579 1184 789 592 Ti6Al4V, Profile Ti6Al2Sn4Zr2Mo, ≤ 0.5 ≤ 1.5 Fz 0.0005 0.0009 0.0012 0.0015 0.0017 Ti4Al4Mo2Sn0.5Si, (124-186) Ti10Al2Fe3Al, ≤ 350 Bhn Feed (ipm) 3.6 4.3 5.7 4.7 6.0 Ti5Al53Mo3Cr, or Ti7Al4Mo, ≤ 38 HRc 195 RPM 2980 1986 1490 993 745 Ti3Al8V6Cr4Zr4Mo, Slot Ti6Al6V6Sn, 1 ≤1 Fz 0.0005 0.0009 0.0012 0.0015 0.0017 Ti152 Cr3Sn3Al (156-234) Feed (ipm) 4.5 5.4 7.2 6.0 7.6 Bhn (Brinell)   HRc (Rockwell C) rpm = (Vc x 3.82) / D1 ipm = Fz x number of flutes 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.kyocerEaN-DsgMstILoLoSl.com END MILLS 201