FRACTIONAL S-Carb APR® Ap Series Diameter (D1) Ae Ae (inch) 43APR Vc Fractional Hardness Ae x D1 Ap x D1 (sfm) 3/4 1 4920 RPM 25059 18794 Slot 1 ≤1 Fz 0.0060 0.0070 (3936-5904) Aluminum AlloyS ≤ 150 Bhn Feed (in/min) 451 395 2024, 5052, 5086, 6061, or 6063, 7075 ≤ 7 HRc 6560 RPM 33412 25059 Profile ≤ 0.5 ≤ 1.5 Fz 0.0060 0.0070 (5248-7872) Feed (in/min) 601 526 N 3940 RPM 20068 15051 Slot 1 ≤1 Fz 0.0045 0.0053 Aluminum AlloyS (3152-4728) (LITHIUM)* ≤ 150 Bhn Feed (in/min) 271 239 2090, 2091, 2099, 2195, or 2199, 2297, 8090 ≤ 7 HRc 4920 RPM 25059 18794 Profile ≤ 0.5 ≤ 1.5 Fz 0.0045 0.0053 (3936-5904) Feed (in/min) 338 299 Bhn (Brinell)   HRc (Rockwell C) surface speed is dependent on machine spindle and fixturing balancing is recommended at ultra high surface speeds tool life may be reduced when machining Lithium Alloys rpm = Vc x 3.82 / D1 ipm = Fz x 3 x rpm maximum recommended depths shown reduce speed and feed for materials harder than listed ramp angle = 15˚ (feed rate = 50%) plunge depth = 1 x D1 (feed rate = 30%) refer to the KYOCERA SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) www.kyocerEaN-DsgMstILoLoSl.com END MILLS 123