
FRACTIONAL 2 Flute: Square, Double, Stub, Long, Ball, Corner Radius 3 Flute: Square, Ball, Tapered 4 Flute: Square, Double, Stub, Ball, Corner Radius Tapered: Square, Radius Ap Series 1, 3, 5, 14, 15, 16, Ae Ae DC • in 17, 23, 24, 59 Vc Fractional Hardness Flutes Ae x DC Ap x DC (sfm) 1/64 1/32 1/16 1/8 1/4 3/8 1/2 3/4 1 460 RPM 112461 56230 28115 14058 7029 4686 3514 2343 1757 Profile Fz 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028 2 ≤ 0.50 ≤ 1.5 6.7 6.7 7.3 8.4 11.2 14.1 14.1 11.2 9.8 CARBON STEELS (368-552) Feed 3 ≤ 0.25 ≤ 1.5 10.1 10.1 11.0 12.7 16.9 21.1 21.1 16.9 14.8 1018, 1040, 1080, ≤ 175 Bhn (ipm) 4 ≤ 0.25 ≤ 1.5 13.5 13.5 14.6 16.9 22.5 28.1 28.1 22.5 19.7 1090, 10L50, 1140, or 335 RPM 81901 40950 20475 10238 5119 3413 2559 1706 1280 1212, 12L15, 1525, ≤ 7 HRc 1536 Slot Fz 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028 2 1 ≤1 4.9 4.9 5.3 6.1 8.2 10.2 10.2 8.2 7.2 (268-402) Feed 3 1 ≤ 0.5 7.4 7.4 8.0 9.2 12.3 15.4 15.4 12.3 10.7 (ipm) 4 1 ≤ 0.4 9.8 9.8 10.6 12.3 16.4 20.5 20.5 16.4 14.3 P 335 RPM 81901 40950 20475 10238 5119 3413 2559 1706 1280 Profile Fz 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021 2 ≤ 0.50 ≤ 1.5 3.3 4.1 3.7 4.1 6.1 7.5 7.7 6.1 5.4 (268-402) Feed ALLOY STEELS 3 ≤ 0.25 ≤ 1.5 4.9 6.1 5.5 6.1 9.2 11.3 11.5 9.2 8.1 ≤ 275 Bhn (ipm) 4140, 4150, 4320, 4 ≤ 0.25 ≤ 1.5 6.6 8.2 7.4 8.2 12.3 15.0 15.4 12.3 10.7 or 5120, 5150, 8630, 245 RPM 59898 29949 14974 7487 3744 2496 1872 1248 936 ≤ 28 HRc 86L20, 50100 Slot Fz 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021 2 1 ≤1 2.4 3.0 2.7 3.0 4.5 5.5 5.6 4.5 3.9 (196-294) Feed 3 1 ≤ 0.5 3.6 4.5 4.0 4.5 6.7 8.2 8.4 6.7 5.9 (ipm) 4 1 ≤ 0.4 4.8 6.0 5.4 6.0 9.0 11.0 11.2 9.0 7.9 370 RPM 90458 45229 22614 11307 5654 3769 2827 1885 1413 Profile Fz 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021 2 ≤ 0.50 ≤ 1.5 3.6 4.5 4.1 4.5 6.8 8.3 8.5 6.8 5.9 (296-444) Feed STAINLESS STEELS 3 ≤ 0.25 ≤ 1.5 5.4 6.8 6.1 6.8 10.2 12.4 12.7 10.2 8.9 ≤ 275 Bhn (ipm) (FREE MACHINING) 4 ≤ 0.25 ≤ 1.5 7.2 9.0 8.1 9.0 13.6 16.6 17.0 13.6 11.9 or 303, 416, 420F, 430F 270 RPM 66010 33005 16502 8251 4126 2750 2063 1375 1031 ≤ 28 HRc 440F Slot Fz 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021 2 1 ≤1 2.6 3.3 3.0 3.3 5.0 6.1 6.2 5.0 4.3 (216-324) Feed 3 1 ≤ 0.5 4.0 5.0 4.5 5.0 7.4 9.1 9.3 7.4 6.5 (ipm) 4 1 ≤ 0.4 5.3 6.6 5.9 6.6 9.9 12.1 12.4 9.9 8.7 M 255 RPM 62342 31171 15586 7793 3896 2598 1948 1299 974 Profile Fz 0.00002 0.00004 0.00008 0.0002 0.0005 0.0009 0.0012 0.0014 0.0017 2 ≤ 0.50 ≤ 1.5 2.5 2.5 2.5 2.6 3.9 4.7 4.7 3.6 3.3 STAINLESS STEELS (204-306) Feed 3 ≤ 0.25 ≤ 1.5 3.7 3.7 3.7 4.0 5.8 7.0 7.0 5.5 5.0 (DIFFICULT) ≤ 275 Bhn (ipm) 4 ≤ 0.25 ≤ 1.5 5.0 5.0 5.0 5.3 7.8 9.4 9.4 7.3 6.6 304, 304L, 316, 316L, or 185 RPM 45229 22614 11307 5654 2827 1885 1413 942 707 17-4 PH, 15-5, 13-4, ≤ 28 HRc Custom 450 Slot Fz 0.00002 0.00004 0.00008 0.0002 0.0005 0.0009 0.0012 0.0014 0.0017 2 1 ≤1 1.8 1.8 1.8 1.9 2.8 3.4 3.4 2.6 2.4 (148-222) Feed 3 1 ≤ 0.5 2.7 2.7 2.7 2.9 4.2 5.1 5.1 4.0 3.6 (ipm) 4 1 ≤ 0.4 3.6 3.6 3.6 3.8 5.7 6.8 6.8 5.3 4.8 335 RPM 81901 40950 20475 10238 5119 3413 2559 1706 1280 Profile Fz 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028 2 ≤ 0.50 ≤ 1.5 4.9 4.9 5.3 6.1 8.2 10.2 10.2 8.2 7.2 (268-402) Feed 3 ≤ 0.25 ≤ 1.5 7.4 7.4 8.0 9.2 12.3 15.4 15.4 12.3 10.7 CAST IRONS ≤ 220 Bhn (ipm) 4 ≤ 0.25 ≤ 1.5 9.8 9.8 10.6 12.3 16.4 20.5 20.5 16.4 14.3 K Gray, Malleable, or 245 RPM 59898 29949 14974 7487 3744 2496 1872 1248 936 Ductile ≤ 19 HRc Slot Fz 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028 2 1 ≤1 3.6 3.6 3.9 4.5 6.0 7.5 7.5 6.0 5.2 (196-294) Feed 3 1 ≤ 0.5 5.4 5.4 5.8 6.7 9.0 11.2 11.2 9.0 7.9 (ipm) 4 1 ≤ 0.4 7.2 7.2 7.8 9.0 12.0 15.0 15.0 12.0 10.5 880 RPM 215142 107571 53786 26893 13446 8964 6723 4482 3362 Profile Fz 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056 ALUMINUM 2 ≤ 0.50 ≤ 1.5 (704-1056) Feed 25.8 28.0 26.9 32.3 43.0 53.8 53.8 43.0 37.6 ≤ 150 Bhn (ipm) ALLOYS 3 ≤ 0.25 ≤ 1.5 38.7 42.0 40.3 48.4 64.5 80.7 80.7 64.5 56.5 or 2017, 2024, 356, 640 RPM 156467 78234 39117 19558 9779 6519 4890 3260 2445 ≤ 7 HRc Slot 6061, 7075 Fz 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056 2 1 ≤1 (512-768) Feed 18.8 20.3 19.6 23.5 31.3 39.1 39.1 31.3 27.4 3 1 ≤ 0.5 (ipm) 28.2 30.5 29.3 35.2 46.9 58.7 58.7 46.9 41.1 485 RPM 118573 59286 29643 14822 7411 4941 3705 2470 1853 N Profile Fz 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028 2 ≤ 0.50 ≤ 1.5 7.1 7.1 7.7 8.9 11.9 14.8 14.8 11.9 10.4 (388-582) Feed 3 ≤ 0.25 ≤ 1.5 10.7 10.7 11.6 13.3 17.8 22.2 22.2 17.8 15.6 COPPER ALLOYS ≤ 140 Bhn (ipm) 4 ≤ 0.25 ≤ 1.5 14.2 14.2 15.4 17.8 23.7 29.6 29.6 23.7 20.8 Alum Bronze, C110, or 350 RPM 85568 42784 21392 10696 5348 3565 2674 1783 1337 Muntz Brass ≤ 3 HRc Slot Fz 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028 2 1 ≤1 5.1 5.1 5.6 6.4 8.6 10.7 10.7 8.6 7.5 (280-420) Feed 3 1 ≤ 0.5 7.7 7.7 8.3 9.6 12.8 16.0 16.0 12.8 11.2 (ipm) 4 1 ≤ 0.4 10.3 10.3 11.1 12.8 17.1 21.4 21.4 17.1 15.0 continued on next page 213 END MILLS www.kyocera-sgstool.com END MILLS