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Carbide Drill Bit Feeds and Speeds for Double-sided Copperclad FR-4

This feeds and speeds table was compiled using premium grade double-sided 1-ounce (37micron) copperclad with a 0.059" (1.5mm) thick FR-4 core. Use the SIZE column to determine if a bit is a NUMBER (imperial), METRIC, FRACTIONAL, or LETTER drill. The button bar below provides links to the cart pages for each type.

Extension of this data to other substrates and/or drill bits from other manufacturers should be undertaken with caution

Carbide drill bit

Product Pages

Drill Size Diameter
Decimal Inch		 Feed
inches/min		 Speed
K-RPM		 Retract
inches/min		 Z-Axis-Offset
inches		 Max-Hits Total Chipload
mills/rev		 SFM
0.10mm 0.0040 20 80 200 -0.011 500 0.25 84
0.13mm 0.0050 23 80 300 -0.011 600 0.29 105
0.15mm 0.0059 27 80 300 -0.011 800 0.34 124
#96 0.0063 30 80 400 -0.011 800 0.38 132
#95 0.0067 33 80 400 -0.012 800 0.41 140
#94 0.0071 37 80 500 -0.012 1000 0.46 149
#93 0.0075 40 80 500 -0.012 1000 0.50 157
#92 0.0079 43 80 500 -0.012 1200 0.54 165
#91 0.0083 47 80 600 -0.012 1200 0.59 174
#90 0.0087 50 80 600 -0.012 1200 0.63 182
#89 0.0091 53 80 700 -0.012 1500 0.66 190
#88 0.0095 57 80 700 -0.012 1500 0.71 199
0.25mm 0.0098 60 80 800 -0.012 1500 0.75 205
#87 0.0100 61 80 800 -0.012 1500 0.76 209
#86 0.0105 65 80 800 -0.012 1500 0.81 220
#85 0.0110 68 80 900 -0.013 1700 0.85 230
#84 0.0115 71 80 900 -0.013 1700 0.89 241
0.30mm 0.0118 73 80 1000 -0.013 1700 0.91 247
#83 0.0120 75 80 1000 -0.013 1800 0.94 251
#82 0.0125 78 80 1000 -0.013 1800 0.98 262
#81 0.0130 81 80 1000 -0.013 1800 1.01 272
#80 0.0135 87 80 1000 -0.013 2000 1.09 283
0.35mm 0.0138 87 80 1000 -0.013 2000 1.09 289
#79 0.0145 90 80 1000 -0.013 2000 1.13 304
1/64 0.0156 93 80 1000 -0.014 2000 1.16 327
0.40mm 0.0158 95 80 1000 -0.014 2000 1.19 331
#78 0.0160 97 80 1000 -0.014 2000 1.21 335
0.45mm 0.0177 100 80 1000 -0.014 2000 1.25 371
#77 0.0180 102 80 1000 -0.014 2000 1.28 377
0.50mm 0.0197 109 80 1000 -0.015 2000 1.36 412
#76 0.0200 113 80 1000 -0.015 2000 1.41 419
#75 0.0210 121 80 1000 -0.015 2000 1.51 440
0.55mm 0.0217 128 80 1000 -0.015 2000 1.60 454
#74 0.0225 137 80 1000 -0.015 2000 1.71 471
0.60mm 0.0236 148 80 1000 -0.016 2000 1.85 494
#73 0.0240 154 80 1000 -0.016 2000 1.93 502
#72 0.0250 165 80 1000 -0.016 2000 2.06 523
0.65mm 0.0256 173 80 1000 -0.016 2000 2.16 536
#71 0.0260 182 80 1000 -0.016 2000 2.28 544
0.70mm 0.0276 193 80 1000 -0.016 2000 2.41 578
#70 0.0280 197 80 1000 -0.017 2000 2.46 586
#69 0.0292 205 79 1000 -0.017 2000 2.59 600
0.75mm 0.0295 206 78 1000 -0.017 2000 2.64 600
#68 0.0310 210 74 1000 -0.017 2000 2.84 600
1/32 0.0312 212 73 1000 -0.017 2000 2.90 600
0.80mm 0.0315 215 73 1000 -0.017 2000 2.95 600
#67 0.0320 216 72 1000 -0.017 2000 3.00 600
#66 0.0330 210 70 1000 -0.018 2000 3.00 600
0.85mm 0.0335 204 68 1000 -0.018 2000 3.00 600
#65 0.0350 198 66 1000 -0.018 2000 3.00 600
0.90mm 0.0354 195 65 1000 -0.018 2000 3.00 600
#64 0.0360 192 64 1000 -0.018 2000 3.00 600
#63 0.0370 186 62 1000 -0.019 2000 3.00 600
0.95mm 0.0374 183 61 1000 -0.019 2000 3.00 600
#62 0.0380 180 60 1000 -0.019 2000 3.00 600
#61 0.0390 177 59 1000 -0.019 2000 3.00 600
1.00mm 0.0394 174 58 1000 -0.019 2000 3.00 600
#60 0.0400 171 57 1000 -0.019 2000 3.00 600
#59 0.0410 168 56 1000 -0.020 2000 3.00 600
1.05mm 0.0413 168 56 1000 -0.020 2000 3.00 600
#58 0.0420 165 55 1000 -0.020 2000 3.00 600
#57 0.0430 159 53 1000 -0.020 2000 3.00 600
1.10mm 0.0433 159 53 1000 -0.020 2000 3.00 600
1.15mm 0.0453 153 51 1000 -0.021 2000 3.00 600
#56 0.0465 147 49 1000 -0.021 2000 3.00 600
3/64 0.0469 147 49 1000 -0.021 2000 3.00 600
1.20mm 0.0472 147 49 1000 -0.021 2000 3.00 600
1.25mm 0.0492 141 47 1000 -0.021 2000 3.00 600
1.30mm 0.0512 135 45 1000 -0.022 2000 3.00 600
#55 0.0520 132 44 1000 -0.022 2000 3.00 600
1.35mm 0.0531 129 43 1000 -0.022 2000 3.00 600
#54 0.0550 126 42 1000 -0.023 2000 3.00 600
1.40mm 0.0551 126 42 1000 -0.023 2000 3.00 600
1.45mm 0.0571 120 40 1000 -0.023 2000 3.00 600
1.50mm 0.0591 117 39 1000 -0.024 2000 3.00 600
#53 0.0595 117 39 1000 -0.024 2000 3.00 600
1.55mm 0.0610 114 38 1000 -0.024 2000 3.00 600
1/16 0.0625 111 37 1000 -0.025 2000 3.00 600
1.60mm 0.0630 108 36 1000 -0.025 2000 3.00 600
#52 0.0635 108 36 1000 -0.025 2000 3.00 600
1.65mm 0.0650 105 35 1000 -0.025 2000 3.00 600
1.70mm 0.0669 102 34 1000 -0.026 2000 3.00 600
#51 0.0670 102 34 1000 -0.026 2000 3.00 600
1.75mm 0.0689 99 33 1000 -0.026 2000 3.00 600
#50 0.0700 99 33 1000 -0.026 2000 3.00 600
1.80mm 0.0709 96 32 1000 -0.027 1800 3.00 600
1.85mm 0.0728 93 31 1000 -0.027 1800 3.00 600
#49 0.0730 93 31 1000 -0.027 1800 3.00 600
1.90mm 0.0748 93 31 1000 -0.027 1800 3.00 600
#48 0.0760 90 30 1000 -0.028 1800 3.00 600
1.95mm 0.0768 90 30 1000 -0.028 1800 3.00 600
5/64 0.0781 87 29 1000 -0.028 1800 3.00 600
#47 0.0785 87 29 1000 -0.028 1800 3.00 600
2.00mm 0.0787 87 29 1000 -0.028 1800 3.00 600
2.05mm 0.0807 84 28 1000 -0.029 1800 3.00 600
#46 0.0810 84 28 1000 -0.029 1800 3.00 600
#45 0.0820 84 28 1000 -0.029 1800 3.00 600
2.10mm 0.0827 84 28 1000 -0.029 1800 3.00 600
2.15mm 0.0846 81 27 1000 -0.030 1800 3.00 600
#44 0.0860 81 27 1000 -0.030 1800 3.00 600
2.20mm 0.0866 78 26 1000 -0.030 1800 3.00 600
2.25mm 0.0886 78 26 1000 -0.031 1800 3.00 600
#43 0.0890 78 26 1000 -0.031 1800 3.00 600
2.30mm 0.0906 75 25 1000 -0.031 1800 3.00 600
2.35mm 0.0925 75 25 1000 -0.032 1800 3.00 600
#42 0.0935 75 25 1000 -0.032 1800 3.00 600
3/32 0.0938 72 24 1000 -0.032 1800 3.00 600
2.40mm 0.0945 72 24 1000 -0.032 1800 3.00 600
#41 0.0960 72 24 1000 -0.032 1800 3.00 600
2.45mm 0.0965 72 24 1000 -0.033 1800 3.00 600
#40 0.0980 69 23 1000 -0.033 1800 3.00 600
2.50mm 0.0984 69 23 1000 -0.033 1800 3.00 600
#39 0.0995 69 23 1000 -0.033 1500 3.00 600
2.55mm 0.1004 69 23 1000 -0.033 1500 3.00 600
#38 0.1015 69 23 1000 -0.034 1500 3.00 600
2.60mm 0.1024 66 22 1000 -0.034 1500 3.00 600
#37 0.1040 66 22 1000 -0.034 1500 3.00 600
2.65mm 0.1043 66 22 1000 -0.034 1500 3.00 600
2.70mm 0.1063 66 22 1000 -0.035 1500 3.00 600
#36 0.1065 66 22 1000 -0.035 1500 3.00 600
2.75mm 0.1083 63 21 1000 -0.035 1500 3.00 600
7/64 0.1094 63 21 1000 -0.036 1500 3.00 600
#35 0.1100 63 21 1000 -0.036 1500 3.00 600
2.80mm 0.1102 63 21 1000 -0.036 1500 3.00 600
#34 0.1110 63 21 1000 -0.036 1500 3.00 600
2.85mm 0.1122 60 20 1000 -0.036 1500 3.00 600
#33 0.1130 60 20 1000 -0.036 1500 3.00 600
2.90mm 0.1142 60 20 1000 -0.037 1500 3.00 600
#32 0.1160 60 20 1000 -0.037 1500 3.00 607
2.95mm 0.1161 60 20 1000 -0.037 1500 3.00 608
3.00mm 0.1181 60 20 1000 -0.038 1500 3.00 618
#31 0.1200 60 20 1000 -0.038 1200 3.00 628
3.05mm 0.1201 60 20 1000 -0.038 1200 3.00 629
3.10mm 0.1220 60 20 1000 -0.038 1200 3.00 638
3.15mm 0.1240 60 20 1000 -0.039 1200 3.00 649
1/8 0.1250 60 20 1000 -0.039 1200 3.00 654
3.20mm 0.1260 60 20 1000 -0.018 1200 3.00 659
3.25mm 0.1280 60 20 1000 -0.018 1200 3.00 670
#30 0.1285 60 20 1000 -0.019 1200 3.00 672
3.30mm 0.1299 60 20 1000 -0.019 1200 3.00 680
3.35mm 0.1319 60 20 1000 -0.019 1200 3.00 690
3.40mm 0.1339 60 20 1000 -0.019 1200 3.00 701
3.45mm 0.1358 60 20 1000 -0.019 1200 3.00 711
#29 0.1360 60 20 1000 -0.019 1200 3.00 712
3.50mm 0.1378 60 20 1000 -0.019 1200 3.00 721
3.55mm 0.1398 60 20 1000 -0.019 1200 3.00 732
#28 0.1405 60 20 1000 -0.019 1200 3.00 735
9/64 0.1406 60 20 1000 -0.019 1200 3.00 736
3.60mm 0.1417 60 20 1000 -0.019 1200 3.00 742
3.65mm 0.1437 60 20 1000 -0.020 1200 3.00 752
#27 0.1440 60 20 1000 -0.020 1200 3.00 754
3.70mm 0.1457 60 20 1000 -0.020 1200 3.00 762
#26 0.1470 60 20 1000 -0.020 1200 3.00 769
3.75mm 0.1476 60 20 1000 -0.020 1200 3.00 772
#25 0.1495 60 20 1000 -0.020 1200 3.00 782
3.80mm 0.1496 60 20 1000 -0.020 1200 3.00 783
3.85mm 0.1516 60 20 1000 -0.020 1200 3.00 793
#24 0.1520 60 20 1000 -0.020 1200 3.00 795
3.90mm 0.1535 60 20 1000 -0.020 1200 3.00 803
#23 0.1540 60 20 1000 -0.020 1200 3.00 806
3.95 0.1555 60 20 1000 -0.020 1200 3.00 814
5/32 0.1562 60 20 1000 -0.020 1200 3.00 817
#22 0.1570 60 20 1000 -0.020 1200 3.00 822
4.00mm 0.1575 60 20 1000 -0.020 1200 3.00 824
#21 0.1590 55 20 1000 -0.021 1000 2.75 832
4.05mm 0.1594 55 20 1000 -0.021 1000 2.75 834
#20 0.1610 55 20 1000 -0.021 1000 2.75 843
4.10mm 0.1614 55 20 1000 -0.021 1000 2.75 845
4.15mm 0.1634 55 20 1000 -0.021 1000 2.75 855
4.20mm 0.1654 55 20 1000 -0.021 1000 2.75 866
#19 0.1660 55 20 1000 -0.021 1000 2.75 869
4.25mm 0.1673 55 20 1000 -0.021 1000 2.75 876
4.30mm 0.1693 55 20 1000 -0.021 1000 2.75 886
#18 0.1695 55 20 1000 -0.021 1000 2.75 887
4.35mm 0.1713 55 20 1000 -0.021 1000 2.75 896
11/64 0.1719 55 20 1000 -0.021 1000 2.75 900
#17 0.1730 55 20 1000 -0.021 1000 2.75 905
4.40mm 0.1732 55 20 1000 -0.021 1000 2.75 906
4.45mm 0.1752 55 20 1000 -0.022 1000 2.75 917
#16 0.1770 55 20 1000 -0.022 1000 2.75 926
4.50mm 0.1772 55 20 1000 -0.022 1000 2.75 927
4.55mm 0.1792 50 20 1000 -0.022 1000 2.50 938
#15 0.1800 50 20 1000 -0.022 1000 2.50 942
4.60mm 0.1811 50 20 1000 -0.022 1000 2.50 948
#14 0.1820 50 20 1000 -0.022 1000 2.50 952
4.65mm 0.1831 50 20 1000 -0.022 1000 2.50 958
#13 0.1850 50 20 1000 -0.022 1000 2.50 968
4.70mm 0.1850 50 20 1000 -0.022 1000 2.50 968
4.75mm 0.1870 50 20 1000 -0.022 1000 2.50 979
3/16 0.1875 45 20 1000 -0.022 1000 2.25 981
4.80mm 0.1890 45 20 1000 -0.023 800 2.25 989
#12 0.1890 45 20 1000 -0.023 800 2.25 989
4.85mm 0.1909 45 20 1000 -0.023 800 2.25 999
#11 0.1910 45 20 1000 -0.023 800 2.25 1000
4.90mm 0.1929 45 20 1000 -0.023 800 2.25 1010
#10 0.1935 45 20 1000 -0.023 800 2.25 1013
4.95mm 0.1949 45 20 1000 -0.023 800 2.25 1020
#9 0.1960 45 20 1000 -0.023 800 2.25 1026
5.00mm 0.1968 45 20 1000 -0.023 800 2.25 1030
5.05mm 0.1988 45 20 1000 -0.023 800 2.25 1040
#8 0.1990 45 20 1000 -0.023 800 2.25 1041
5.10mm 0.2008 40 20 1000 -0.023 600 2.00 1051
#7 0.2010 40 20 1000 -0.023 600 2.00 1052
5.15mm 0.2028 40 20 1000 -0.023 600 2.00 1061
13/64 0.2031 40 20 1000 -0.023 600 2.00 1063
#6 0.2040 40 20 1000 -0.024 600 2.00 1068
5.20mm 0.2047 40 20 1000 -0.024 600 2.00 1071
#5 0.2055 40 20 1000 -0.024 600 2.00 1075
5.25mm 0.2067 40 20 1000 -0.024 600 2.00 1082
5.30mm 0.2087 40 20 1000 -0.024 600 2.00 1092
#4 0.2090 40 20 1000 -0.024 600 2.00 1094
5.35mm 0.2106 40 20 1000 -0.024 600 2.00 1102
5.40mm 0.2126 40 20 1000 -0.024 600 2.00 1113
#3 0.2130 40 20 1000 -0.024 600 2.00 1115
5.45mm 0.2146 40 20 1000 -0.024 600 2.00 1123
5.50mm 0.2165 40 20 1000 -0.024 600 2.00 1133
5.55mm 0.2185 40 20 1000 -0.024 600 2.00 1143
7/32 0.2188 40 20 1000 -0.024 600 2.00 1145
5.60mm 0.2205 40 20 1000 -0.025 600 2.00 1154
#2 0.2210 35 20 1000 -0.025 600 1.75 1157
5.65mm 0.2224 35 20 1000 -0.025 500 1.75 1164
5.70mm 0.2244 35 20 1000 -0.025 500 1.75 1174
5.75mm 0.2264 35 20 1000 -0.025 500 1.75 1185
#1 0.2280 35 20 1000 -0.025 500 1.75 1193
5.80mm 0.2283 35 20 1000 -0.025 500 1.75 1195
5.85mm 0.2302 35 20 1000 -0.025 500 1.75 1205
5.90mm 0.2323 35 20 1000 -0.025 500 1.75 1216
A 0.2340 35 20 1000 -0.025 500 1.75 1225
5.95mm 0.2343 35 20 1000 -0.026 500 1.75 1226
15/64 0.2344 35 20 1000 -0.026 500 1.75 1227
6.00mm 0.2362 35 20 1000 -0.026 500 1.75 1236
B 0.2380 35 20 1000 -0.026 500 1.75 1246
6.05mm 0.2382 35 20 1000 -0.026 500 1.75 1247
6.10mm 0.2402 30 20 1000 -0.026 500 1.50 1257
C 0.2420 30 20 1000 -0.026 500 1.50 1266
6.15mm 0.2421 30 20 1000 -0.026 500 1.50 1267
6.20mm 0.2441 30 20 1000 -0.026 500 1.50 1277
D 0.2460 30 20 1000 -0.026 500 1.50 1287
6.25mm 0.2461 30 20 1000 -0.026 500 1.50 1288
6.30mm 0.2480 30 20 1000 -0.026 500 1.50 1298
6.35mm 0.2500 30 20 1000 -0.027 500 1.50 1308
6.40mm 0.2520 30 20 1000 -0.027 500 1.50 1319
6.50mm 0.2559 30 20 1000 -0.027 500 1.50 1339
F 0.2570 30 20 1000 -0.027 500 1.50 1345
6.60mm 0.2598 30 20 1000 -0.027 500 1.50 1360