FRACTIONAL Turbo-Carb Ap Series Diameter (D1) Ae Ae (inch) 56B Vc Fractional Hardness Ae x D1 Ap x D1 (sfm) 1/32 1/16 1/8 3/16 1/4 3/8 1/2 3/4 625 RPM 76400 38200 19100 12733 9550 6367 4775 3183 Rough TOOL STEELS ≤ 0.4 ≤ 0.1 Fz 0.0006 0.0015 0.0030 0.0040 0.0050 0.0080 0.0100 0.0120 MOLD AND DIE STEEL (500-750) 300M, 4340, 52100, ≤ 375 Bhn Feed (ipm) 92 115 115 102 96 102 96 76 HP-9-4-20, M50, A2, or D2, H13, L2, M2, P20, ≤ 40 HRc 950 RPM 116128 58064 29032 19355 14516 9677 7258 4839 S7, T15, W2 HSM ≤ 0.4 ≤ 0.03 Fz 0.0007 0.0017 0.0033 0.0044 0.0060 0.0088 0.0110 0.0130 (760-1140) Feed (ipm) 163 197 192 170 174 170 160 126 750 RPM 91680 45840 22920 15280 11460 7640 5730 3820 Rough TOOL STEELS ≤ 0.4 ≤ 0.05 Fz 0.0005 0.0011 0.0023 0.0030 0.0038 0.0060 0.0075 0.0085 MOLD AND DIE STEEL (600-900) 300M, 4340, 52100, ≤ 475 Bhn Feed (ipm) 92 101 105 92 87 92 86 65 H HP-9-4-20, M50, A2, or D2, H13, L2, M2, P20, ≤ 50 HRc 1150 RPM 140576 70288 35144 23429 17572 11715 8786 5857 S7, T15, W2 HSM ≤ 0.4 ≤ 0.02 Fz 0.0006 0.0012 0.0025 0.0033 0.0042 0.0066 0.0082 0.0100 (920-1380) Feed (ipm) 169 169 176 155 148 155 144 117 500 RPM 61120 30560 15280 10187 7640 5093 3820 2547 Rough TOOL STEELS ≤ 0.4 ≤ 0.04 Fz 0.0004 0.0008 0.0017 0.0023 0.0029 0.0045 0.0057 0.0063 MOLD AND DIE STEEL (400-600) 300M, 4340, 52100, ≤ 655 Bhn Feed (ipm) 49 49 52 47 44 46 44 32 HP-9-4-20, M50, A2, or D2, H13, L2, M2, P20, ≤ 60 HRc 1000 RPM 122240 61120 30560 20373 15280 10187 7640 5093 S7, T15, W2 HSM ≤ 0.4 ≤ 0.01 Fz 0.0005 0.0009 0.0019 0.0025 0.0032 0.0050 0.0063 0.0071 (800-1200) Feed (ipm) 122 110 116 102 98 102 96 72 Bhn (Brinell) HRc (Rockwell C) HSM (High Speed Machining) rpm = Vc x 3.82 / D1 ipm = Fz x 2 x rpm reduce speed and feed for materials harder than listed reduce feed and Ae when finish milling (.02 x D1 maximum) refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyocerEaN-DsgMstILoLoSl.com END MILLS 105