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Speed & Feed Recommendations
200 HARDNESS SPEED 1/16 1/8 FEED (inch/rev) 3/8 1/2
Fractional BRINELL sfm 3/16 1/4 5/16
0.0018 0.0035 0.0106 0.0141
C ARBON STEEL* 200 150 0.0053 0.0071 0.0088
1018, 1040, 1080, 1090, 75 0.0016 0.0031 0.0093 0.0124
10L50, 1140, 1212, 12L15, > 200 55 0.0047 0.0062 0.0078
1525, 1536 300 115
> 300 70 0.0009 0.0019 0.0028 0.0037 0.0046 0.0056 0.0074
420 45 0.0045 0.0060 0.0075 0.0090 0.0120
40 0.0045 0.0060 0.0075 0.0090 0.0120
A LLOY STEEL* 270 25 0.0015 0.0030
4140, 4150, 4320, 4340, 20
5120, 5150, 8630, 86L20, > 270 125 0.0015 0.0030
50100, 52100 370 95
> 370 75 0.0009 0.0019 0.0028 0.0037 0.0046 0.0056 0.0074
T OOL STEEL* 450 55 0.0029 0.0039 0.0049 0.0059 0.0078
A2, D2, H13, L2, M2, 35 0.0010 0.0020 0.0019 0.0025 0.0031 0.0038 0.0050
P20, S7, T15, W2 250 25
45 0.0006 0.0013
> 250 35
330 25 0.0004 0.0008 0.0012 0.0016 0.0019 0.0023 0.0031
> 330 20 0.0060 0.0081 0.0101 0.0121 0.0161
450 15 0.0060 0.0081 0.0101 0.0121 0.0161
10 0.0029 0.0039 0.0048 0.0058 0.0077
CAST IRON* 200 270 0.0020 0.0040 0.0023 0.0030 0.0038 0.0045 0.0060
Gray, Malleable, Ductile 230 0.0020 0.0040 0.0029 0.0039 0.0048 0.0058 0.0077
> 200 115 0.0019 0.0025 0.0031 0.0038 0.0050
S TAINLESS* (free machining) 330 95 0.0010 0.0019 0.0046 0.0061 0.0076 0.0092 0.0122
303, 416, 420F, 430F, 440F 0.0029 0.0039 0.0048 0.0058 0.0077
250 0.0008 0.0015
S TAINLESS* (difficult)
304, 316, 321, 15-5ph, > 250 0.0010 0.0019
17-4PH, Nitronic 32 330
0.0006 0.0013
270
> 270
370
T ITANIUM* 280 0.0015 0.0031
TiCODE-12, Ti-6Al4V,
Ti-5Al-5V-5Mo-3Cr, > 280 0.0010 0.0019
Ti-7Al4Mo, Ti8Al1Mo1V 350
> 350 0.0006 0.0013 0.0019 0.0025 0.0031 0.0038 0.0050
440 0.0023 0.0031 0.0039 0.0047 0.0062
0.0019 0.0026 0.0032 0.0038 0.0051
H IGH TEMPERATURE ALLOY* 220 0.0008 0.0016
A-286, Hastelloy,
Haynes, Incoloy, Inconel, > 220 0.0006 0.0013
Rene, Waspalloy 330
> 330 0.0004 0.0007 0.0011 0.0015 0.0018 0.0022 0.0029
A LUMINUM 420 0.0075 0.0100 0.0125 0.0150 0.0200
2017, 2024, 356, 0.0025 0.0050 0.0075 0.0100 0.0125 0.0150 0.0200
6061, 7075 80 0.0025 0.0050 0.0038 0.0051 0.0064 0.0077 0.0102
0.0013 0.0026 0.0038 0.0051 0.0064 0.0077 0.0102
> 80 0.0013 0.0026
rpm = sfm 3.82 / D1
C OPPER ALLOY 140 ipm = (inch/rev) rpm
Alum Bronze, C110, > 140
Muntz Brass
* AlTiN coating recommended Refer to the SGS Tool Wizard for more complete
Reduce speed & feed for materials harder than listed technical information (available at )
194 DRILLS DRILLwS ww.sgstool.com
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