VcDC• in
Series M080Hardness(sfm)0 .0050 .0100 .0200 .0400 .0800 .125
CARBON STEELS≤ 175 BhnRPM2139201069605348026740133708557
1018, 1040, 1080, 1090, 10L50, 1140 1212 12L15 1525 1536or ≤ 7 HRc280 (224-336)Fz0.000100.000210.00040.00080.00160.0026
P , , , ,Feed (ipm)22.022.022.022.022.022.0
ALLOY STEELS≤ 275 BhnRPM13752068760343801719085955501
4140, 4150, 4320, 5120, L2or 2 HR180 (144-216)Fz0.000100.000190.00040.00080.00150.0024
5150, 8630, 860, 50100≤ 8 cFeed (ipm)13.313.313.313.313.313.3
TOOL STEELS≤ 475 BhnRPM534802674013370668533432139
H A2, D2, H13, L2, M2,or70 (56-84)Fz0.000040.000080.00020.00030.00060.0010
P20, S7, T15, W2≤ 50 HRcFeed (ipm)2.12.12.12.12.12.1
220 BhRPM2139201069605348026740133708557
K CAST IRONS Gray, Malleable, Ductile≤ n or ≤ 19 HR280 (224-336)Fz0.000070.000150.00030.00060.00120.0018
cFeed (ipm)15.815.815.815.815.815.8
STAINLESS STEELS≤ 250 BhnRPM160440802204011020055100286418
(FREE MACHINING)or210 (168-252)Fz0.000110.000210.00040.00080.00170.0026
M 303, 416, 420F, 430F, 440F≤ 24 HRcFeed (ipm)17.017.017.017.017.017.0
STAINLESS STEELS≤ 275 BhRPM13752068760343801719085955501
(DIFFICULT) 304, 316, 321, 13-8 PH, 15-5PH,n or180 (144-216)Fz0.00010.00020.00040.00080.00150.0024
17-4 PH, CUSTOM 450≤ 28 HRcFeed (ipm)13.313.313.313.313.313.3
SUPER ALLOYS (NICKEL COBALT IRON BASE)≤ 320 BhRPM534802674013370668533432139
, , Inconel 601, 617, 625, Incoloyn or70 (56-84)Fz0.000060.000120.00020.00050.00100.0015
S 800, Monel 400, Rene, Waspaloy≤ 34 HRcFeed (ipm)3.23.23.23.23.23.2
TITANIUM ALLOYS350 BhRPM9168045840229201146057303667
Pure Titanium, Ti6Al4V, Ti6Al2Sn4Zr2Mo,≤ n or120 (96-144)Fz0.000060.000120.00020.00050.00100.0015
Ti4Al4Mo2Sn0.5Si≤ 38 HRcFeed (ipm)5.65.65.65.65.65.6
≤ 150 BhRPM458400229200114600573002865018336
ALUMINUM ALLOYS 2017, 2024, 356, 6061, 7075n or600 (480-720)Fz0.000120.000240.00050.00090.00190.0029
≤ 7 HRcFeed (ipm)54.054.054.054.054.054.0
RPM14516072580362901814590735806
N COPPER ALLOYS Alum Bronze, C110, Muntz≤ 140 Bhn or190 (152-228)Fz0.000100.000190.00040.00080.00160.0024
Brass≤ 3 HRcFeed (ipm)14.114.114.114.114.114.1
RPM38200019100095500477502387515280
PLASTICS Polycarbonate, PVC500 (400-600)Fz0.000120.000240.00050.00090.00190.0029
Feed (ipm)45.045.045.045.045.045.0

Note:

  • Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
  • rpm = Vc x 3.82 / DC
  • ipm = 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