CuttingSpeed(1)Feed vs. Drill Diameter mm/rev
Mat. No.Vc m/min IC808/ 908 externalVc m/min IC8080 /9080 externalDR-04 AL/DT/HDDR-05 GF/DT/AL/HDDR-06 GF/DT/AL/HDDR-07 GF/DT/AL/HDDR-09/10 GF/DT/AL/HDDR-11/12 GF/DT/AL/HDDR-14/16 GF/DT/AL/HD
1 2200-300260-3900.06-0.100.07-0.120.08-0.120.10-0.150.12-0.160.14-0.17
30.10-0.150.10-0.160.12-0.180.14-0.220.15-0.250.16-0.26
4150-200190-2600.04-0.080.04-0.080.05-0.100.05-0.100.08-0.150.08-0.15
5 6150-220190-2900.06-0.100.07-0.120.08-0.120.10-0.140.12-0.150.14-0.16
70.10-0.140.10-0.150.10-0.160.14-0.200.14-0.220.15-0.24
8 9120-180160-2300.04-0.08 0.02-0.060.04-0.080.04-0.080.05-0.100.05-0.100.08-0.150.08-0.15
10120-190160-2500.06-0.100.06-0.100.06-0.100.08-0.120.10-0.150.14-0.17
0.10-0.140.10-0.140.10-0.140.12-0.180.14-0.200.16-0.24
11100-160210-3100.08-0.1120.08-0.1120.08-0.1120.096-0.1440.112-0.1600.128-0.192
12 13160-240210-3100.06-0.10 0.048-0.080.06-0.10 0.048-0.080.06-0.12 0.048-0.0960.08-0.12 0.064-0.0960.10-0.14 0.08-0.1120.12-0.20 0.096-0.160
14160-240210-3100.04-0.080.06-0.100.06-0.100.06-0.120.08-0.120.10-0.140.12-0.20
15 16150-250190-320
17 18 19 20120-180160-2300.08-0.160.10-0.220.10-0.220.10-0.220.15-0.250.18-0.300.20-0.34
21 22 23 24 25 26 27 28 29 30150-300190-3900.08-0.240.12-0.250.12-0.250.12-0.250.20-0.300.2-0.350.28-0.45
31 32 33 34 3520-5030-600.03-0.070.04-0.080.04-0.080.05-0.090.07-0.100.08-0.120.10-0.14
36 3750-6060-80
38 39 40 4120-5030-600.04-0.080.05-0.080.05-0.080.06-0.090.07-0.100.08-0.120.10-0.14

(1) Central insert should always be IC808/IC908

  • This table refers to 2/3xD drill lengths. For 4xD and 5XD drills, decrease cutting data by 15%
  • When using only external coolant supply, reduce cutting speed by 10%
  • Use internal coolant supply when machining austenitic stainless steel