
METRIC Series M032 Ap Series Ae Ae DC • mm M032 Vc Metric Hardness Ae x DC Ap x DC (m/min) 1 2 3 Profile 241 RPM 76584 38292 25528 ≤ 0.25 ≤1 Fz 0.0029 0.0057 0.0086 (193-289) Feed (mm/min) 660 660 660 CARBON STEELS 1018, 1040, 1080, ≤ 275 Bhn Slot 192 RPM 61073 30537 20358 P 1090, 10L50, 1140, or 1 ≤ .5 Fz 0.0028 0.0057 0.0085 1212, 12L15, 1525, ≤ 28 HRc (154-230) Feed (ipm) 521 521 521 1536 Finish 477 RPM 151714 75857 50571 ≤ .02 1 Fz 0.0053 0.0106 0.0159 (382-572) Feed (ipm) 2413 2413 2413 Profile 137 RPM 43624 21812 14541 ≤ 0.25 ≤1 Fz 0.0021 0.0043 0.0064 (110-165) Feed (ipm) 279 279 279 ALLOY STEELS 110 RPM 34899 17449 11633 ≤ 375 Bhn Slot 4140, 4150, 4320, P or 1 ≤ .5 Fz 0.0022 0.0043 0.0065 5120, 5150, 8630, (88-132) ≤ 40 HRc 86L20, 50100 Feed (ipm) 226 226 226 Finish 273 RPM 86763 43381 28921 ≤ .02 1 Fz 0.0039 0.0078 0.0117 (218-327) Feed (ipm) 1016 1016 1016 Profile 28 RPM 9016 4508 3005 ≤ 0.25 ≤1 Fz 0.0009 0.0018 0.0026 (23-34) Feed (ipm) 24 24 24 ALLOY STEELS 20 RPM 6301 3151 2100 ≤ 560 Bhn Slot 4140, 4150, 4320, P or 1 ≤ .5 Fz 0.0008 0.0016 0.0025 5120, 5150, 8630, (16-24) ≤ 55 HRc 86L20, 50100 Feed (ipm) 15 15 15 Finish 51 RPM 16189 8095 5396 ≤ .02 1 Fz 0.0014 0.0029 0.0043 (41-61) Feed (ipm) 70 70 70 Profile 21 RPM 6689 3344 2230 ≤ 0.25 ≤1 Fz 0.0009 0.0019 0.0028 (17-25) Feed (ipm) 19 19 19 TOOL STEELS ≤ 375 Bhn Slot 15 RPM 4847 2424 1616 H A2, D2, H13, L2, M2, or 1 ≤ .5 Fz 0.0008 0.0016 0.0024 P20, S7, T15, W2 ≤ 40 HRc (12-18) Feed (ipm) 11 11 11 Finish 38 RPM 12021 6010 4007 ≤ .02 1 Fz 0.0015 0.0031 0.0046 (30-45) Feed (ipm) 56 56 56 Profile 189 RPM 60104 30052 20035 ≤ 0.25 ≤1 Fz 0.0036 0.0072 0.0108 (151-227) Feed (ipm) 648 648 648 CAST IRONS (LOW & MEDIUM ≤ 220 Bhn Slot 137 RPM 43624 21812 14541 K ALLOY) or 1 ≤ .5 Fz 0.0031 0.0062 0.0093 Gray, Malleable, ≤ 19 HRc (110-165) Feed (ipm) 406 406 406 Ductile Finish 340 RPM 108090 54045 36030 ≤ .02 1 Fz 0.0057 0.0114 0.0172 (272-408) Feed (ipm) 1854 1854 1854 continued on next page 105 END MILLS www.sgsmicrotools.com END MILLS