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Speed & Feed Recommendations
Series Hardness Vc RPM 1 2 3 Diameter (D1) 6 8 10
201M BRINELL (m/min) Fr 3393 1696 1131 (mm) 565 424 339
Metric 0.015 0.030 0.044 4 0.089 0.118 0.148
STAINLESS STEELS 270 11 Feed (mm/min) 51 51 50 848 50 50 50
(Difficult) > 270 (9-13) RPM 2424 1212 808 0.059 404 303 242
M 304, 316, 321, 13-8 PH, 370 Fr 0.010 0.020 0.030 50 0.060 0.080 0.100
15-5PH, 17-4 PH, 220 8 24 24 24 606 24 24 24
Custom 450 > 220 (6-9) Feed (mm/min) 1939 969 646 0.040 323 242 194
330 RPM 0.012 0.024 0.036 24 0.072 0.096 0.120
Super Alloys > 330 6 Fr 23 23 23 485 23 23 23
(Nickel, Cobalt, 420 (5-7) 1454 727 485 0.048 242 182 145
Iron Base) 280 Feed (mm/min) 0.010 0.020 0.030 23 0.060 0.080 0.100
S Inconel 601, 617, 625, > 280 5 RPM 15 15 15 364 15 15 15
350 (4-5) Fr 969 485 323 0.040 162 121 97
Incoly 800, Monel 400, > 350 0.006 0.012 0.019 15 0.037 0.050 0.062
Rene, Waspaloy 440 3 Feed (mm/min) 242 6 6 6
80 (2-4) RPM 6 6 6 0.025 727 545 436
Titanium AlloyS 14 Fr 4362 2181 1454 6 0.144 0.192 0.240
Pure Ttanium, Ti6Al4V, > 80 (11-16) 0.024 0.048 0.072 1091 105 105 105
S Ti6Al2Sn4Zr2Mo, 11 Feed (mm/min) 105 105 105 0.096 565 424 339
Ti4Al4Mo2Sn0.5Si, 140 (9-13) RPM 3393 1696 1131 105 0.089 0.118 0.148
Ti-6Al4V Fr 0.015 0.030 0.044 848 50 50 50
Aluminum Alloys > 140 8 51 51 50 0.059 404 303 242
N 2017, 2024, 356, (6-9) Feed (mm/min) 2424 1212 808 50 0.060 0.080 0.100
6061, 7075 82 RPM 0.010 0.020 0.030 606 24 24 24
Copper Alloys (66-99) Fr 24 24 24 0.040 4362 3272 2617
N Alum Bronze, C110, 70 26174 13087 8725 24 0.240 0.320 0.400
Muntz Brass (56-84) Feed (mm/min) 0.040 0.080 0.120 6544 1047 1047 1047
35 RPM 1047 1047 1047 0.160 3716 2787 2230
(28-42) Fr 22297 11148 7432 1047 0.240 0.320 0.400
29 0.040 0.080 0.120 5574 892 892 892
(23-35) Feed (mm/min) 892 892 892 0.160 1858 1394 1115
RPM 11148 5574 3716 892 0.122 0.163 0.204
Fr 0.020 0.041 0.061 2787 227 227 227
223 229 227 0.082 1535 1151 921
Feed (mm/min) 9209 4605 3070 229 0.122 0.163 0.204
RPM 0.020 0.041 0.061 2302 187 188 188
Fr 184 189 187 0.082
189
Feed (mm/min)
RPM
Fr
Feed (mm/min)
RPM
Fr
Feed (mm/min)
rpm = (1000 x m/min) / (3.14 x D1)
mm / min = (mm / revolution) x rpm
increase speed and feed rates shown by 30 percent when using coated reamers
reduce speed and feed for materials harder than listed
refer to the SGS Tool Wizard for complete technical information ()
DRILLS DRILLS 241
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