Ap Series Ae Ae Diameter (D1) Z1MPCR, Z1MPLC Hardness Vc (mm) Metric (Brinell) Ae x D1 Ap x D1 (m/min) 1 3 6 8 10 12 16 20 25 Profile 169 RPM 53803 17934 8967 6725 5380 4484 3363 2690 2152 CARBON STEELS ≤ 0.5 ≤ 1.5 (135-203) Fz 0.0030 0.0109 0.029 0.049 0.061 0.074 0.087 0.099 0.108 1018, 1040, 1080, ≤ 275 Bhn Feed (mm/min) 646 782 1040 1318 1313 1327 1170 1065 930 1090, 10L50, 1140, or 134 RPM 42654 14218 7109 5332 4265 3555 2666 2133 1706 Speed & Feed Recommendations 1212, 12L15, 1525, ≤ 28 HRc Slot 1536 1 ≤1 Fz 0.0030 0.0109 0.029 0.049 0.061 0.074 0.087 0.099 0.108 (107-161) Feed (mm/min) 512 620 825 1045 1041 1052 928 845 737 P 96 RPM 30537 10179 5089 3817 3054 2545 1909 1527 1221 Profile ≤ 0.5 ≤ 1.5 (77-115) Fz 0.0023 0.0081 0.022 0.036 0.045 0.055 0.067 0.075 0.080 ALLOY STEELS ≤ 375 Bhn Feed (mm/min) 281 330 448 550 550 560 511 458 391 4140, 4150, 4320, or 5120, 5150, 8630, ≤ 40 HRc 76 RPM 24235 8078 4039 3029 2424 2020 1515 1212 969 86L20, 50100 Slot 1 ≤1 (61-91) Fz 0.0023 0.0081 0.022 0.036 0.045 0.055 0.067 0.075 0.080 Feed (mm/min) 223 262 355 436 436 444 406 364 310 Profile 56 RPM 17934 5978 2989 2242 1793 1495 1121 897 717 ≤ 0.5 ≤ 1.5 (45-68) Fz 0.0018 0.0066 0.017 0.030 0.037 0.043 0.051 0.059 0.065 TOOL STEELS ≤ 375 Bhn Feed (mm/min) 129 158 203 269 265 257 229 212 187 H A2, D2, H13, L2, M2, or 44 RPM 14057 4686 2343 1757 1406 1171 879 703 562 P20, S7, T15, W2 ≤ 40 HRc Slot 1 ≤1 (35-53) Fz 0.0018 0.0066 0.017 0.030 0.037 0.043 0.051 0.059 0.065 |  Feed (mm/min) 101 124 159 211 208 201 179 166 146 Z-Carb-AP  Profile 136 RPM 43139 14380 7190 5392 4314 3595 2696 2157 1726 CAST IRONS ≤ 0.5 ≤ 1.5 (109-163) Fz 0.0028 0.0099 0.026 0.045 0.056 0.067 0.079 0.091 0.098 (LOW & MEDIUM ≤ 220 Bhn Feed (mm/min) 483 569 748 971 966 963 852 785 676 ALLOY) or 108 RPM 34414 11471 5736 4302 3441 2868 2151 1721 1377 Gray, Malleable, ≤ 19 HRc Slot Ductile 1 ≤1 Fz 0.0028 0.0099 0.026 0.045 0.056 0.067 0.079 0.091 0.098 (87-130) Feed (mm/min) 385 454 597 774 771 769 680 626 540 K 104 RPM 32960 10987 5493 4120 3296 2747 2060 1648 1318 Profile ≤ 0.5 ≤ 1.5 (83-124) Fz 0.0020 0.0074 0.020 0.034 0.043 0.050 0.059 0.067 0.074 CAST IRONS ≤ 260 Bhn Feed (mm/min) 264 325 439 560 567 549 486 442 390 (HIGH ALLOY) or Gray, Malleable, ≤ 26 HRc 82 RPM 26174 8725 4362 3272 2617 2181 1636 1309 1047 Ductile Slot 1 ≤1 (66-99) Fz 0.0020 0.0074 0.020 0.034 0.043 0.050 0.059 0.067 0.074 Feed (mm/min) 209 258 349 445 450 436 386 351 310 Profile 149 RPM 47501 15834 7917 5938 4750 3958 2969 2375 1900 ≤ 0.5 ≤ 1.5 (119-179) Fz 0.0023 0.0081 0.022 0.036 0.045 0.055 0.067 0.075 0.080 STAINLESS STEELS ≤ 275 Bhn Feed (mm/min) 437 513 697 855 855 871 796 713 608 (FREE MACHINING) or 303, 416, 420F, ≤ 28 HRc 119 RPM 37807 12602 6301 4726 3781 3151 2363 1890 1512 430F, 440F Slot 1 ≤1 (95-143) Fz 0.0023 0.0081 0.022 0.036 0.045 0.055 0.067 0.075 0.080 M Feed (mm/min) 348 408 555 681 681 693 633 567 484 Profile 104 RPM 32960 10987 5493 4120 3296 2747 2060 1648 1318 ≤ 0.5 ≤ 1.5 (83-124) Fz 0.0018 0.0064 0.017 0.030 0.037 0.043 0.051 0.059 0.063 STAINLESS STEELS ≤ 275 Bhn Feed (mm/min) 237 281 374 494 488 472 420 389 332 (DIFFICULT) or 82 RPM 26174 8725 4362 3272 2617 2181 1636 1309 1047 304, 304L,316, 316L ≤ 28 HRc Slot 1 ≤1 (66-99) Fz 0.0018 0.0064 0.017 0.030 0.037 0.043 0.051 0.059 0.063 Feed (mm/min) 188 223 297 393 387 375 334 309 264 continued on next page 14 www.sgstool.com