METRIC Baseline Speed and FeedDC • (mm)
Square & Ball End With and Without ReachHardnessVc (m/min)0 .10 .511 .522 .53
Pfil111RPM353837707673538423589176921415311795
roeFz0.000430.002160.004320.006480.008650.010810.01297
CARBON STEELS 1018, 1040, 1080, 1090,≤ 275 Bhn(89-134)Feed (mm/min)306306306306306306306
P 10L50, 1140, 1212, 12L15 1525 1536or ≤ 28 HRcSlot88RPM28113156226281131874214057112459371
, ,Fz0.000430.002160.004320.006480.008650.010810.01297
(71-106)Feed (mm/min)243243243243243243243
Profile64RPM2035774071520358135721017981436786
Fz0.000380.001920.003840.005760.007690.009610.01153
ALLOY STEELS 4140, 4150, 4320, 5120,≤ 375 Bhn(51-77)Feed (mm/min)156156156156156156156
P 5150, 8630, 86L20, 50100or ≤ 40 HRcSlot50RPM159954319911599510664799863985332
Fz0.000380.001920.003840.005760.007690.009610.01153
(40-60)Feed (mm/min)123123123123123123123
Profile104RPM329602659203296021973164801318410987
Fz0.000430.002160.004320.006480.008650.010810.01295
STAINLESS STEELS (FREE MACHINING)≤ 275 Bhn(83-124)Feed (mm/min)285285285285285285285
M 303, 416, 420F, 430F, 440For ≤ 28 HRcSlot82RPM26174252348261741744913087104708725
Fz0.000430.002160.004320.006480.008650.010810.01295
(66-99)Feed (mm/min)226226226226226226226
f72RPM2278134556322781151881139191137594
ProileFz0.000380.001920.003850.005770.007690.009610.01154
STAINLESS STEELS≤ 275 Bhn(57-86)Feed (mm/min)175175175175175175175
M (DIFFICULT) 304, 304L, 316, 316Lor ≤ 28 HRcSlot56RPM179342358681793411956896771745978
Fz0.000380.001920.003850.005770.007690.009610.01154
(45-68)Feed (mm/min)138138138138138138138
Prfil66RPM2084254168520842138951042183376947
oeFz0.000270.001360.002720.004080.005440.006800.00819
STAINLESS STEELS (PH)≤ 325 Bhn(52-79)Feed (mm/min)113113113113113113113
M 13-8 PH, 15-5PH, 174 PH CUSTOM 450or ≤ 35 HRcSlot52RPM164801329601648010987824065925493
- ,Fz0.000270.001360.002720.004080.005440.006800.00819
(41-62)Feed (mm/min)90909090909090
Profile93RPM29567259134295671971114784118279856
CAST IRONSFz0.000430.002170.004330.006500.008660.010830.01301
(LOW & MEDIUM≤ 220 Bhn(74-112)Feed (mm/min)256256256256256256256
K ALLOY) Gray, Malleable,or ≤ 19 HRcSlot75RPM2375074750123751158341187595007917
Ductile(6090)Fz0.000430.002170.004330.006500.008660.010830.01301
-Feed (mm/min)206206206206206206206
Profile305RPM9694161938839694264628484713877732314
Fz0.001280.006390.012770.019160.025550.031930.03832
ALUMINUM ALLOYS≤ 150 Bhn(244-366)Feed (mm/min)2477247724772477247724772477
N 2017, 2024, 356, 6061, 7075or ≤ 7 HRcSlot244RPM7755331551077755351702387773102125851
Fz0.001280.006390.012770.019160.025550.031930.03832
(195-293)Feed (mm/min)1981198119811981198119811981
Profile157RPM499249998504992533283249621997016642
Fz0.000960.004790.009590.014380.019170.023960.02876
COPPER ALLOYS≤ 140 Bhn(126-188)Feed (mm/min)957957957957957957957
N Alum Bronze, C110, Muntz Brassor ≤ 3 HRcSlot125RPM397461794923974626497198731589813249
Fz0.000960.004790.009590.014380.019170.023960.02876
(100-150)Feed (mm/min)762762762762762762762