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Speed & Feed Recommendations
101, 125 HARDNESS SPEED (sfm) FEED (inch/rev)
Fractional BRINELL AlTin Uncoated
1/64 1/32 1/16 1/8 1/4 3/8 1/2
CARBON STEEL* 200 265 220 0.00020 0.0004 0.0009 0.0017 0.0034 0.0050 0.0070
0.0045 0.0060
1018, 1040, 1080, 1090, > 200 125 105 0.00020 0.0004 0.0008 0.0016 0.0031 0.0025 0.0035
10L50, 1140, 1212, 12L15, 300 0.0045 0.0060
0.0045 0.0060
1525, 1536 > 300 85 70 0.00010 0.0002 0.0005 0.0009 0.0018 0.0020 0.0025
420 0.0025 0.0035
0.0010 0.0015
ALLOY STEEL* 270 230 190 0.00020 0.0004 0.0008 0.0016 0.0031 0.0010 0.0015
4140, 4150, 4320, 4340, 145 120 0.00020 0.0004 0.0060 0.0080
5120, 5150, 8630, 86L20, > 270 60 50 0.00010 0.0002 0.0008 0.0015 0.0030 0.0060 0.0080
50100, 52100 370 0.0035 0.0050
> 370 0.0004 0.0007 0.0013 0.0020 0.0030
450 0.0025 0.0035
0.0025 0.0030
TOOL STEEL* 250 85 70 0.00010 0.0002 0.0005 0.0009 0.0018 0.0050 0.0065
A2, D2, H13, L2, M2, 0.0025 0.0035
P20, S7, T15, W2 > 250 55 45 0.00005 0.0001 0.0002 0.0004 0.0008 0.0025 0.0030
330 0.0025 0.0035
0.0025 0.0030
> 330 40 35 0.00005 0.0001 0.0002 0.0004 0.0008 0.0010 0.0015
450 0.0075 0.0100
0.0075 0.0100
CAST IRON* 200 280 235 0.00025 0.0005 0.0011 0.0021 0.0041 0.0035 0.0050
Gray, Malleable, Ductile 0.0035 0.0050
> 200 250 210 0.00025 0.0005 0.0011 0.0021 0.0041 0.0075 0.0100
330
STAINLESS* (free machining) 250 210 175 0.00015 0.0003 0.0006 0.0012 0.0024
303, 416, 420F, 430F, 440F > 250 110 90 0.00010 0.0002 0.0004 0.0007 0.0014
330
STAINLESS* (difficult) 270 65 55 0.00010 0.0002 0.0005 0.0009 0.0018
304, 316, 321, 15-5ph,
17-4PH, Nitronic 32 > 270 55 45 0.00010 0.0002 0.0004 0.0008 0.0015
370
TITANIUM* 280 85 70 0.00020 0.0004 0.0008 0.0016 0.0032
TiCODE-12, Ti-6Al4V,
Ti-5Al-5V-5Mo-3Cr, > 280 65 55 0.00010 0.0002 0.0005 0.0009 0.0018
Ti-7Al4Mo, Ti8Al1Mo1V 350
> 350 55 45 0.00010 0.0002 0.0004 0.0008 0.0015
440
HIGH TEMPERATURE ALLOY* 220 40 35 0.00010 0.0002 0.0005 0.0009 0.0018
A-286, Hastelloy, > 220 25 20 0.00010 0.0002 0.0004 0.0008 0.0016
Haynes, Incoloy, Inconel, 330
Rene, Waspalloy > 330 20 15 0.00005 0.0001 0.0002 0.0004 0.0007
420
ALUMINUM 80 540 450 0.00030 0.0006 0.0013 0.0025 0.0050
2017, 2024, 356, > 80 455 380 0.00030 0.0006 0.0013 0.0025 0.0050
6061, 7075 0.0006 0.0012 0.0024
0.0006 0.0012 0.0024
COPPER ALLOY 140 190 160 0.00015 0.0003
Alum Bronze, C110, > 140 175 145 0.00015 0.0003
Muntz Brass
PLASTICS 490 410 0.00030 0.0006 0.0013 0.0025 0.0049
Polycarbonate, PVC
* AlTiN coating recommended rpm = sfm 3.82 / D1 Refer to the SGS Tool Wizard for more complete
Reduce speed & feed for materials harder than listed ipm = (inch/rev) rpm technical information (available at )
178 DRILLS DRILLwS ww.sgstool.com
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