VcDC •mm
Series M081Hardness(m/min)0 .150 .250 .5123
CARBON STEELS≤ 175 BhRPM1809581085755428727144135729048
1018, 1040, 1080, 1090, 10L50, 1140 1212 12L15 1525 1536n or ≤ 7 HRc85 (68-102)Fz0.00310.00510.01030.02060.04120.0618
P , , , ,Feed (mm/min)559559559559559559
ALLOY STEELS≤ 275 BhnRPM11633069798348991744987255816
4140, 4150, 4320, 5120, 5150 8630 86L20 50100or 28 HR55 (44-66)Fz0.00290.00480.00970.01940.03870.0581
, , ,≤ cFeed (mm/min)338338338338338338
TOOL STEELS≤ 475 BhnRPM452392714413572678633932262
H A2, D2, H13, L2, M2,or21 (17-26)Fz0.00120.00200.00390.00790.01570.0236
P20, S7, T15, W2≤ 50 HRcFeed (mm/min)535353535353
220 BhRPM1809581085755428727144135729048
K CAST IRONS Gray, Malleable, Ductile≤ n or ≤ 19 HRc85 (68-102)Fz0.00220.00370.00740.01480.02960.0444
Feed (mm/min)401401401401401401
STAINLESS STEELS≤ 250 BhnRPM135718814314071520358101796786
(FREE MACHINING) 303 416 420F 430F 440For 24 HR64 (51-77)Fz0.00320.00530.01060.02120.04240.0636
M , , , ,≤ cFeed (mm/min)432432432432432432
STAINLESS STEELS≤ 275 BhRPM11633069798348991744987255816
(DIFFICULT) 304, 316, 321, 13-8 PH, 15-5PH,n or 28 HR55 (44-66)Fz0.00290.00480.00970.01940.03870.0581
17-4 PH, CUSTOM 450≤ cFeed (mm/min)338338338338338338
SUPER ALLOYS (NICKEL COBALT IRON BASE)≤ 320 BhRPM452392714413572678633932262
, , Inconel 601, 617, 625, Incoloyn or21 (17-26)Fz0.00180.00300.00600.01200.02400.0359
S 800, Monel 400, Rene, Waspaloy≤ 34 HRcFeed (mm/min)818181818181
TITANIUM ALLOYS350 BhRPM7755346532232661163358163878
Pure Titanium, Ti6Al4V, Ti6Al2Sn4Zr2Mo,≤ n or37 (29-44)Fz0.00180.00310.00610.01220.02450.0367
Ti4Al4Mo2Sn0.5Si≤ 38 HRcFeed (mm/min)142142142142142142
150 BhRPM387767232660116330581652908219388
ALUMINUM ALLOYS 2017, 2024, 356, 6061, 7075≤ n or 7 HR183 (146-219)Fz0.00350.00590.01180.02360.04720.0707
≤ cFeed (mm/min)137213721372137213721372
RPM12279373676368381841992096140
N COPPER ALLOYS Alum Bronze, C110, Muntz≤ 140 Bhn or58 (46-69)Fz0.00290.00490.00970.01940.03890.0583
Brass≤ 3 HRcFeed (mm/min)358358358358358358
RPM32313919388396942484712423516157
PLASTICS Polycarbonate, PVC152 (122-183)Fz0.00350.00590.01180.02360.04720.0707
Feed (mm/min)114311431143114311431143

Note:

  • Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
  • rpm = (Vc x 1000) / (DC x 3.14)
  • mm/min = Fr x rpm (Fr x maximum available rpm when recommendation exceeds machine limit)
  • reduce speed and feed 30% when using uncoated drills
  • reduce speed and feed for materials harder than listed
  • refer to the KYOCERA SGS Tool Wizard® or sgsmicrotools.com for complete technical information