INCH Baseline Speed and FeedDC• in
Square, Corner Radius & Ball End With and Without ReachHardnessVc (sfm)0 .00500 .01560 .03120 .06250 .09380 .1200
Profile365RPM2788608937844689223091486511619
Fz0.0000220.000070.000130.000270.000410.00052
P CARBON STEELS 1018, 1040, 1080, 1090,≤ 275 Bhn(292-438)Feed (ipm)12.0512.0512.0512.0512.0512.05
10L50, 1140, 1212, 12L15 1525 1536or ≤ 28 HRcSlot290RPM221560710133550617725118109232
, ,Fz0.0000220.000070.000130.000270.000410.00052
(232-348)Feed (ipm)9.579.579.579.579.579.57
Pfil210RPM16044051423257121283585526685
roeFz0.0000190.000060.000120.000240.000360.00046
ALLOY STEELS 4140, 4150, 4320, 5120,≤ 375 Bhn(168-252)Feed (ipm)6.166.166.166.166.166.16
P 5150, 8630, 86L20, 0100or ≤ 40 HRcSlot165RPM12606040404202021008567205253
5Fz0.0000190.000060.000120.000240.000360.00046
(132-198)Feed (ipm)4.844.844.844.844.844.84
Profile340RPM2597608325641628207811384610823
272408Fz0.0000220.000070.000130.000270.000410.00052
M STAINLESS STEELS (FREE MACHINING)≤ 275 Bhn(-)Feed (ipm)11.2211.2211.2211.2211.2211.22
303, 416, 420F, 430F, 440For ≤ 28 HRcSlot270RPM206280661153305816502109968595
Fz0.0000220.000070.000130.000270.000410.00052
(216-324)Feed (ipm)8.918.918.918.918.918.91
Profile235RPM17954057545287721436395707481
Fz0.0000190.000060.000120.000240.000360.00046
STAINLESS STEELS≤ 275 Bhn(188-282)Feed (ipm)6.906.906.906.906.906.90
M (DIFFICULT) 304, 304L, 316, 316Lor ≤ 28 HRcSl185RPM14134045301226511130775345889
ot222Fz0.0000190.000060.000120.000240.000360.00046
(148-)Feed (ipm)5.435.435.435.435.435.43
Profile215RPM16426052647263241314187566844
Fz0000014000004000008000017000025000033
STAINLESS STEELS(172-258)......
M (PH)≤ 325 BhnFeed (ipm)4.464.464.464.464.464.46
13-8 PH, 15-5PH, 17-4 PH, CUSTOM 450or ≤ 35 HRcSlot170RPM12988041628208141039069235412
Fz0.0000140.000040.000080.000170.000250.00033
(136-204)Feed (ipm)3.533.533.533.533.533.53
Profile305RPM233020746863734318642124219709
CAST IRONSFz0.0000220.000070.000140.000270.000410.00052
K (LOW & MEDIUM ALLOY≤ 220 Bhn(244-366)Feed (ipm)10.0810.0810.0810.0810.0810.08
) Gray, Malleable,or ≤ 19 HRcSlot245RPM18718059994299971497499787799
DuctileFz0.0000220.000070.000140.000270.000410.00052
(196-294)Feed (ipm)8.108.108.108.108.108.10
Profile1000RPM764000244872122436611204072531833
Fz0.0000640.000200.000400.000800.001200.00153
ALUMINUM ALLOYS≤ 150 Bhn(800-1200)Feed (ipm)97.5097.5097.5097.5097.5097.50
N 2017, 2024, 356, 6061, 7075or ≤ 7 HRcSlot800RPM61120019589797949488963258025467
Fz0.0000640.000200.000400.000800.001200.00153
(640-960)Feed (ipm)78.0078.0078.0078.0078.0078.00
Pfil515RPM39346012610963054314772097316394
roeFz0.0000480.000150.000300.000600.000900.00115
COPPER ALLOYS≤ 140 Bhn(412-618)Feed (ipm)37.6837.6837.6837.6837.6837.68
N Alum Bronze, C110, Muntz Brassor ≤ 3 HRcSlot410RPM31324010039750199250591669713052
Fz0.0000480.000150.000300.000600.000900.00115
(328-492)Feed (ipm)30.0030.0030.0030.0030.0030.00