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Speed & Feed Recommendations
1, 3, 5, 14, 15, 16, 17, HARDNESS CUT SPEED (sfm) FEED (inch/flute)
23, 24, 59
Fractional BRINELL Type AlTiN TiCN TiN non 1/64 1/32 1/16 1/8 1/4 3/8 1/2 3/4 1
CARBON STEEL 175 Slot 335 320 305 255 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028
1018, 1040, 1080, 10L50, 275 Profile 460 440 420 350 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028
1525, 1536 250 Light 685 660 635 530 0.00007 0.00014 0.00029 0.0007 0.0018 0.0034 0.0046 0.0055 0.0064
220 Slot 245 235 225 190 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021
ALLOY STEEL 275 Profile 335 325 310 260 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021
4140, 4150, 4340, 275 Light 505 485 465 390 0.00005 0.00011 0.00022 0.0005 0.0014 0.0026 0.0034 0.0041 0.0048
5150, 8630 350 Slot 230 220 210 175 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021
300 Profile 315 305 290 240 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021
TOOL STEEL 150 Light 470 455 435 365 0.00005 0.00011 0.00022 0.0005 0.0014 0.0026 0.0034 0.0041 0.0048
A2, D2, H13, L2, M2, 140 Slot 245 235 225 190 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028
P20, S7, T15, W2 Profile 335 325 310 260 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028
Light 505 485 465 390 0.00007 0.00014 0.00029 0.0007 0.0018 0.0034 0.0046 0.0055 0.0064
CAST IRON Slot 270 260 250 210 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021
Gray, Malleable, Ductile Profile 370 360 345 285 0.00002 0.00005 0.00009 0.0002 0.0006 0.0011 0.0015 0.0018 0.0021
Light 560 535 515 430 0.00005 0.00011 0.00022 0.0005 0.0014 0.0026 0.0034 0.0041 0.0048
STAINLESS Slot 185 180 175 145 0.00002 0.00004 0.00008 0.0002 0.0005 0.0009 0.0012 0.0014 0.0017
(free machining) Profile 255 250 240 200 0.00002 0.00004 0.00008 0.0002 0.0005 0.0009 0.0012 0.0014 0.0017
303, 420F, 440F Light 385 370 355 295 0.00004 0.00009 0.00017 0.0004 0.0011 0.0021 0.0028 0.0033 0.0039
Slot 130 125 120 100 0.00002 0.00004 0.00008 0.0002 0.0005 0.0009 0.0012 0.0014 0.0017
STAINLESS (difficult) Profile 180 170 165 140 0.00002 0.00004 0.00008 0.0002 0.0005 0.0009 0.0012 0.0014 0.0017
304, 316, 17-4PH Light 270 260 250 205 0.00004 0.00009 0.00017 0.0004 0.0011 0.0021 0.0028 0.0033 0.0039
Slot 45 45 45 35 0.00002 0.00003 0.00006 0.0002 0.0004 0.0008 0.0010 0.0012 0.0014
TITANIUM Profile 65 60 60 50 0.00002 0.00003 0.00006 0.0002 0.0004 0.0008 0.0010 0.0012 0.0014
Ti5Al-5V-5Mo, Ti6Al4V Light 95 95 90 75 0.00004 0.00007 0.00014 0.0003 0.0009 0.0017 0.0023 0.0028 0.0032
Slot – 640 – 640 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056
HIGH TEMPERATURE ALLOY Profile – 880 – 880 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056
Incoloy, Inconel, Light – 1320 – 1320 0.00014 0.00029 0.00057 0.0014 0.0037 0.0069 0.0092 0.0110 0.0128
Rene, Waspalloy Slot – 350 – 350 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028
Profile – 485 – 485 0.00003 0.00006 0.00013 0.0003 0.0008 0.0015 0.0020 0.0024 0.0028
ALUMINUM Light – 725 – 725 0.00007 0.00014 0.00029 0.0007 0.0018 0.0034 0.0046 0.0055 0.0064
2017, 2024, 356, Slot – 640 – 640 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056
6061, 7075 Profile – 880 – 880 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056
Light – 1320 – 1320 0.00014 0.00029 0.00057 0.0014 0.0037 0.0069 0.0092 0.0110 0.0128
COPPER ALLOY Slot – 480 – 480 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056
Aluminum Bronze, C110, Profile – 660 – 660 0.00006 0.00013 0.00025 0.0006 0.0016 0.0030 0.0040 0.0048 0.0056
Muntz Brass Light – 990 – 990 0.00014 0.00029 0.00057 0.0014 0.0037 0.0069 0.0092 0.0110 0.0128
PLASTIC
Polycarbonate, PVC,
Polypropylene
GRAPHITE
CUT TYPE rpm = sfm x 3.82 / D1
ipm = (inch/flute) x no. of flutes x rpm
SLOT PROFILE LIGHT*
3 flute 6, 4, 3, 2 flute • maximum recommended depths shown
4 flute Rw = D1 2 flute 4, 3 flute 2 flute Rw = .05 x D1 • reduce speed and feed for materials harder than listed
Rw = D1 Ad = .5 x D1 Rw = D1 Rw = .25 x D1 Rw = .5 x D1 Ad = 1.5 x D1 • for tapered end mills, base the speed on the largest
Ad = .4 x D1 Ad = D1 Ad = 1.5 x D1 Ad = 1.5 x D1
diameter contacting the workpiece, and the feed on the
smallest diameter
• limit cut depths of long flute, extra long flute, and straight
flute to .05 x D1 Ad for Slot or Rw for Profile
* finish cuts typically require reduced feed and cutting
depths of .02 x D1 maximum
• refer to the SGS Tool Wizard for more complete technical
information (available at )
END MILLS END MILLS 115
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