
METRIC Multi-Carb Ap Series Ae Ae DC • mm 66M, 66MCR Vc Metric Hardness Ae x DC Ap x DC (m/min) 6 8 10 12 16 20 25 194 RPM 10260 7695 6156 5130 3847 3078 2462 Profile ≤ 0.05 ≤1 Fz 0.029 0.047 0.059 0.072 0.095 0.101 0.105 CARBON STEELS (155-232) 1018, 1040, 1080, ≤ 275 Bhn Feed (mm/min) 2068 2528 2528 3324 3280 3431 2844 1090, 10L50, 1140, or 1212, 12L15, 1525, ≤ 28 HRc 232 RPM 12312 9234 7387 6156 4617 3693 2955 1536 Finish ≤ 0.02 ≤2 Fz 0.023 0.038 0.047 0.058 0.076 0.081 0.084 (186-279) Feed (mm/min) 1985 2427 2427 3191 3149 3294 2730 P 110 RPM 5816 4362 3490 2908 2181 1745 1396 Profile ≤ 0.05 ≤1 Fz 0.022 0.036 0.045 0.055 0.074 0.080 0.080 ALLOY STEELS (88-132) ≤ 375 Bhn Feed (mm/min) 879 1108 1107 1445 1457 1536 1229 4140, 4150, 4320, or 5120, 5150, 8630, 132 RPM 6980 5235 4188 3490 2617 2094 1675 ≤ 40 HRc 86L20, 50100 Finish ≤ 0.02 ≤2 Fz 0.017 0.029 0.036 0.044 0.059 0.064 0.064 (105-158) Feed (mm/min) 844 1063 1063 1387 1399 1474 1179 171 RPM 9048 6786 5429 4524 3393 2714 2171 Profile ≤ 0.05 ≤1 Fz 0.022 0.036 0.045 0.055 0.074 0.080 0.080 STAINLESS STEELS (137-205) ≤ 275 Bhn Feed (mm/min) 1368 1723 1723 2247 2267 2389 1911 (FREE MACHINING) or 303, 416, 420F, 137 RPM 7238 5429 4343 3619 2714 2171 1737 ≤ 28 HRc 430F, 440F Finish ≤ 0.02 ≤2 Fz 0.017 0.029 0.036 0.044 0.059 0.064 0.064 (109-164) Feed (mm/min) 875 1103 1103 1438 1451 1529 1223 117 RPM 6220 4665 3732 3110 2333 1866 1493 Profile ≤ 0.05 ≤1 Fz 0.017 0.030 0.037 0.043 0.059 0.064 0.065 (94-141) STAINLESS STEELS ≤ 275 Bhn Feed (mm/min) 731 975 975 1209 1236 1314 1067 M (DIFFICULT) or 304, 304L, 316, 316L ≤ 28 HRc 141 RPM 7465 5598 4479 3732 2799 2239 1791 Finish ≤ 0.02 ≤2 Fz 0.013 0.024 0.030 0.035 0.047 0.051 0.052 (113-169) Feed (mm/min) 702 17 936 1161 1187 1261 1025 108 RPM 5736 4302 3441 2868 2151 1721 1377 Profile ≤ 0.05 ≤1 Fz 0.017 0.030 0.037 0.043 0.059 0.064 0.065 STAINLESS STEELS (87-130) ≤ 325 Bhn Feed (mm/min) 674 899 899 1115 1140 1211 984 (PH) or 13-8 PH, 15-5 PH, 130 RPM 6883 5162 4130 3441 2581 2065 1652 ≤ 35 HRc 17-4 PH, Custom 450 Finish ≤ 0.02 ≤2 Fz 0.013 0.024 0.030 0.035 0.047 0.051 0.052 (104-156) Feed (mm/min) 647 863 863 1070 1094 1163 945 215 RPM 11391 8543 6834 5695 4271 3417 2734 Profile ≤ 0.05 ≤1 Fz 0.029 0.047 0.059 0.072 0.095 0.101 0.105 CAST IRONS (172-258) (LOW & MEDIUM ≤ 220 Bhn Feed (mm/min) 2296 2807 2807 3690 3641 3809 3158 K ALLOY) or Gray, Malleable, ≤ 19 HRc 258 RPM 13669 10252 8201 6834 5126 4101 3281 Ductile Finish ≤ 0.02 ≤2 Fz 0.023 0.038 0.047 0.058 0.076 0.081 0.084 (206-309) Feed (mm/min) 2204 2695 2694 3543 3496 3657 3031 continued on next page 95 END MILLS www.kyocera-sgstool.com END MILLS