Series 66M, 66MCRAeAp AeVcDiameter ( (mm)D1)
MetricHardnessAe x D1Ap x D1(m/min)681012162025
Profile117RPM6220466537323110233318661493
≤ 0.05≤ 1(94141)Fz0.0170.0300.0370.0430.0590.0640.065
STAINLESS STEELS (DIFFICULT)≤ 275 Bhn-Feed (mm/min)7319759751209123613141067
304, 304L, 316, 316Lor ≤ 28 HRcFinish141RPM7465559844793732279922391791
≤ 0.02≤ 2(113-169)Fz0.0130.0240.0300.0350.0470.0510.052
MFeed (mm/min)702179361161118712611025
Pfil108RPM5736430234412868215117211377
roe≤ 0.05≤ 1Fz0.0170.0300.0370.0430.0590.0640.065
STAINLESS STEELS (PH)≤ 325 Bhn(87-130)Feed (mm/min)674899899111511401211984
13-8 PH, 15-5 PH, 17-4 PH, Custom 450or ≤ 35 HRcFinish130RPM6883516241303441258120651652
≤ 0.02≤ 2(104156)Fz0.0130.0240.0300.0350.0470.0510.052
-Feed (mm/min)647863863107010941163945
Pfil32RPM169612721018848636509407
SUPER ALLOYSroe≤ 0.05≤ 1Fz0.0170.0300.0370.0430.0590.0640.065
(NICKEL, COBALT,≤ 300 Bhn(26-38)Feed (mm/min)199266213330337358291
IRON BASE) Inconel 601, 617, 625,or ≤ 32 HRcFiih38RPM2036152712211018763611489
Incoloy, Monel 400ns≤ 0.02≤ 2Fz0.0130.0240.0300.0350.0470.0510.052
(31-46)Feed (mm/min)192255255317324344279
Profile26RPM13731030824687515412330
SUPER ALLOYS≤ 0.05≤ 1Fz0.0120.0190.0240.0260.0360.0400.040
(NICKEL, COBALT, IRON BASE)≤ 400 Bhn(21-31)Feed (mm/min)115138138163166181145
Inconel 718, X-750, Incoloy, Waspaloy,or ≤ 43 HRc31RPM16481236989824618494396
Hastelloy, ReneFinish≤ 0.02≤ 2Fz0.0100.0150.0190.0210.0290.0320.032
(25-37)Feed (mm/min)111133133157159174139
SPfil119RPM6301472637813151236318901512
TITANIUM ALLOYSroe≤ 0.05≤ 1(95143)Fz0.0190.0320.0400.0500.0670.0720.073
Pure Titanium,≤ 350 Bhn-Feed (mm/min)847105910591429141514971206
Ti6Al4V, Ti6Al2Sn4Zr2Mo,or ≤ 38 HRcFinish143RPM7561567145373781283622681815
Ti4Al4Mo2Sn0.5Si≤ 0.02≤ 2Fz0.0150.0260.0320.0400.0530.0580.058
(114-171)Feed (mm/min)813101610161372135914371158
Profile43RPM2262169613571131848679543
TITANIUM ALLOYS (DIFFICULT)≤ 0.05≤ 1Fz0.0190.0320.0400.0500.0670.0720.073
Ti10Al2Fe3Al, Ti5Al5V5Mo3Cr,≤ 440 Bhn(34-51)Feed (mm/min)304380380513508537433
Ti7Al4Mo, Ti3Al8V6Cr4Zr4Mo,or ≤ 47 HRcFinish51RPM27142036162913571018814651
Ti6Al6V6Sn, Ti15V3 Cr3Sn3Al≤ 0.02≤ 2Fz0.0150.0260.0320.0400.0530.0580.058
(41-61)Feed (mm/min)292365365492488516416

Bhn (Brinell) HRc (Rockwell C) rpm = (Vc x 1000) / (D x 3.14) 1 mm/min = Fz x number of flutes x rpm reduce speed and feed for materials harder than listed