FRACTIONAL Series M032 Ap Series Ae Ae DC • in M032 Vc Fractional Hardness Ae x DC Ap x DC (sfm) 1/32 5/64 7/64 Profile 790 RPM 96570 38628 27591 ≤ 0.25 ≤1 Fz 0.00009 0.00022 0.00031 (632-948) Feed (ipm) 26.0 26.0 26.0 CARBON STEELS1018, 1040, 1080,≤ 275 Bhn Slot 630 RPM 77011 30804 22003 P 1090, 10L50, 1140, or 1 ≤ .5 Fz 0.00009 0.00022 0.00031 1212, 12L15, 1525, ≤ 28 HRc1536 (504-756) Feed (ipm) 20.5 20.5 20.5 Finish 1565 RPM 191306 76522 54659 ≤ .02 1 Fz 0.00017 0.00041 0.00058 (1252-1878) Feed (ipm) 95.0 95.0 95.0 Profile 450 RPM 55008 22003 15717 ≤ 0.25 ≤1 Fz 0.00007 0.00017 0.00023 (360-540) Feed (ipm) 11.0 11.0 11.0 ALLOY STEELSP4140, 4150, 4320,5120, 5150, 8630,86L20, 50100≤ 375 BhnSlotor≤ 40 HRc1 360 RPM 44006 17603 12573≤ .5Fz0.000070.000170.00024(288-432)Feed (ipm)8.98.98.9 Finish 895 RPM 109405 43762 31259 ≤ .02 1 Fz 0.00012 0.00030 0.00043 (716-1074) Feed (ipm) 40.0 40.0 40.0 Profile 93 RPM 11368 4547 3248 ≤ 0.25 ≤1 Fz 0.00003 0.00007 0.00010 (74-112) Feed (ipm) 0.9 0.9 0.9 ALLOY STEELSP4140, 4150, 4320,5120, 5150, 8630,86L20, 50100≤ 560 BhnSlotor≤ 55 HRc1 65 RPM 7946 3178 2270≤ .5Fz0.000030.000060.00009(52-78)Feed (ipm)0.60.60.6 Finish 167 RPM 20414 8166 5833 ≤ .02 1 Fz 0.00004 0.00011 0.00016 (134-200) Feed (ipm) 2.8 2.8 2.8 Profile 69 RPM 8435 3374 2410 ≤ 0.25 ≤1 Fz 0.00003 0.00007 0.00010 (55-83) Feed (ipm) 0.8 0.8 0.8 TOOL STEELS ≤ 375 Bhn Slot 50 RPM 6112 2445 1746 H A2, D2, H13, L2, M2, or 1 ≤ .5 Fz 0.00002 0.00006 0.00009 P20, S7, T15, W2 ≤ 40 HRc (40-60) Feed (ipm) 0.5 0.5 0.5 Finish 124 RPM 15158 6063 4331 ≤ .02 1 Fz 0.00005 0.00012 0.00017 (99-149) Feed (ipm) 2.2 2.2 2.2 Profile 620 RPM 75789 30316 21654 ≤ 0.25 ≤1 Fz 0.00011 0.00028 0.00039 (496-744) Feed (ipm) 25.5 25.5 25.5 CAST IRONS(LOW & MEDIUM ≤ 220 Bhn Slot 450 RPM 55008 22003 15717 K ALLOY) or 1 ≤ .5 Fz 0.00010 0.00024 0.00034 Gray, Malleable, ≤ 19 HRcDuctile (360-540) Feed (ipm) 16.0 16.0 16.0 Finish 1115 RPM 136298 54519 38942 ≤ .02 1 Fz 0.00018 0.00045 0.00062 (892-1338) Feed (ipm) 73.0 73.0 73.0 continued on next page www.sgsmicErNoDtoMoIlLsL.cSom END MILLS 103