| METRIC Baseline Speed and Feed | | | | | | | | DC • (mm) | | | |
| Square & Ball End With and Without Reach | Hardness | | Vc (m/min) | | 0 .1 | 0 .5 | 1 | 1 .5 | 2 | 2 .5 | 3 |
| | Pfil | 111 | RPM | 353837 | 70767 | 35384 | 23589 | 17692 | 14153 | 11795 |
| | roe | | Fz | 0.00043 | 0.00216 | 0.00432 | 0.00648 | 0.00865 | 0.01081 | 0.01297 |
| CARBON STEELS 1018, 1040, 1080, 1090, | ≤ 275 Bhn | | (89-134) | Feed (mm/min) | 306 | 306 | 306 | 306 | 306 | 306 | 306 |
| P 10L50, 1140, 1212, 12L15 1525 1536 | or ≤ 28 HRc | Slot | 88 | RPM | 281131 | 56226 | 28113 | 18742 | 14057 | 11245 | 9371 |
| , , | | | | Fz | 0.00043 | 0.00216 | 0.00432 | 0.00648 | 0.00865 | 0.01081 | 0.01297 |
| | | (71-106) | Feed (mm/min) | 243 | 243 | 243 | 243 | 243 | 243 | 243 |
| | Profile | 64 | RPM | 203577 | 40715 | 20358 | 13572 | 10179 | 8143 | 6786 |
| | | | Fz | 0.00038 | 0.00192 | 0.00384 | 0.00576 | 0.00769 | 0.00961 | 0.01153 |
| ALLOY STEELS 4140, 4150, 4320, 5120, | ≤ 375 Bhn | | (51-77) | Feed (mm/min) | 156 | 156 | 156 | 156 | 156 | 156 | 156 |
| P 5150, 8630, 86L20, 50100 | or ≤ 40 HRc | Slot | 50 | RPM | 159954 | 31991 | 15995 | 10664 | 7998 | 6398 | 5332 |
| | | | Fz | 0.00038 | 0.00192 | 0.00384 | 0.00576 | 0.00769 | 0.00961 | 0.01153 |
| | | (40-60) | Feed (mm/min) | 123 | 123 | 123 | 123 | 123 | 123 | 123 |
| | Profile | 104 | RPM | 329602 | 65920 | 32960 | 21973 | 16480 | 13184 | 10987 |
| | | | Fz | 0.00043 | 0.00216 | 0.00432 | 0.00648 | 0.00865 | 0.01081 | 0.01295 |
| STAINLESS STEELS (FREE MACHINING) | ≤ 275 Bhn | | (83-124) | Feed (mm/min) | 285 | 285 | 285 | 285 | 285 | 285 | 285 |
| M 303, 416, 420F, 430F, 440F | or ≤ 28 HRc | Slot | 82 | RPM | 261742 | 52348 | 26174 | 17449 | 13087 | 10470 | 8725 |
| | | | Fz | 0.00043 | 0.00216 | 0.00432 | 0.00648 | 0.00865 | 0.01081 | 0.01295 |
| | | (66-99) | Feed (mm/min) | 226 | 226 | 226 | 226 | 226 | 226 | 226 |
| | f | 72 | RPM | 227813 | 45563 | 22781 | 15188 | 11391 | 9113 | 7594 |
| | Proile | | Fz | 0.00038 | 0.00192 | 0.00385 | 0.00577 | 0.00769 | 0.00961 | 0.01154 |
| STAINLESS STEELS | ≤ 275 Bhn | | (57-86) | Feed (mm/min) | 175 | 175 | 175 | 175 | 175 | 175 | 175 |
| M (DIFFICULT) 304, 304L, 316, 316L | or ≤ 28 HRc | Slot | 56 | RPM | 179342 | 35868 | 17934 | 11956 | 8967 | 7174 | 5978 |
| | | | Fz | 0.00038 | 0.00192 | 0.00385 | 0.00577 | 0.00769 | 0.00961 | 0.01154 |
| | | (45-68) | Feed (mm/min) | 138 | 138 | 138 | 138 | 138 | 138 | 138 |
| | Prfil | 66 | RPM | 208425 | 41685 | 20842 | 13895 | 10421 | 8337 | 6947 |
| | oe | | Fz | 0.00027 | 0.00136 | 0.00272 | 0.00408 | 0.00544 | 0.00680 | 0.00819 |
| STAINLESS STEELS (PH) | ≤ 325 Bhn | | (52-79) | Feed (mm/min) | 113 | 113 | 113 | 113 | 113 | 113 | 113 |
| M 13-8 PH, 15-5PH, 174 PH CUSTOM 450 | or ≤ 35 HRc | Slot | 52 | RPM | 164801 | 32960 | 16480 | 10987 | 8240 | 6592 | 5493 |
| - , | | | | Fz | 0.00027 | 0.00136 | 0.00272 | 0.00408 | 0.00544 | 0.00680 | 0.00819 |
| | | (41-62) | Feed (mm/min) | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| | Profile | 93 | RPM | 295672 | 59134 | 29567 | 19711 | 14784 | 11827 | 9856 |
| CAST IRONS | | | | Fz | 0.00043 | 0.00217 | 0.00433 | 0.00650 | 0.00866 | 0.01083 | 0.01301 |
| (LOW & MEDIUM | ≤ 220 Bhn | | (74-112) | Feed (mm/min) | 256 | 256 | 256 | 256 | 256 | 256 | 256 |
| K ALLOY) Gray, Malleable, | or ≤ 19 HRc | Slot | 75 | RPM | 237507 | 47501 | 23751 | 15834 | 11875 | 9500 | 7917 |
| Ductile | | | (6090) | Fz | 0.00043 | 0.00217 | 0.00433 | 0.00650 | 0.00866 | 0.01083 | 0.01301 |
| | | - | Feed (mm/min) | 206 | 206 | 206 | 206 | 206 | 206 | 206 |
| | Profile | 305 | RPM | 969416 | 193883 | 96942 | 64628 | 48471 | 38777 | 32314 |
| | | | Fz | 0.00128 | 0.00639 | 0.01277 | 0.01916 | 0.02555 | 0.03193 | 0.03832 |
| ALUMINUM ALLOYS | ≤ 150 Bhn | | (244-366) | Feed (mm/min) | 2477 | 2477 | 2477 | 2477 | 2477 | 2477 | 2477 |
| N 2017, 2024, 356, 6061, 7075 | or ≤ 7 HRc | Slot | 244 | RPM | 775533 | 155107 | 77553 | 51702 | 38777 | 31021 | 25851 |
| | | | Fz | 0.00128 | 0.00639 | 0.01277 | 0.01916 | 0.02555 | 0.03193 | 0.03832 |
| | | (195-293) | Feed (mm/min) | 1981 | 1981 | 1981 | 1981 | 1981 | 1981 | 1981 |
| | Profile | 157 | RPM | 499249 | 99850 | 49925 | 33283 | 24962 | 19970 | 16642 |
| | | | Fz | 0.00096 | 0.00479 | 0.00959 | 0.01438 | 0.01917 | 0.02396 | 0.02876 |
| COPPER ALLOYS | ≤ 140 Bhn | | (126-188) | Feed (mm/min) | 957 | 957 | 957 | 957 | 957 | 957 | 957 |
| N Alum Bronze, C110, Muntz Brass | or ≤ 3 HRc | Slot | 125 | RPM | 397461 | 79492 | 39746 | 26497 | 19873 | 15898 | 13249 |
| | | | Fz | 0.00096 | 0.00479 | 0.00959 | 0.01438 | 0.01917 | 0.02396 | 0.02876 |
| | | (100-150) | Feed (mm/min) | 762 | 762 | 762 | 762 | 762 | 762 | 762 |