Table 06 - DHN Series (External Coolant)

MaterialHardened Steel /Pre-Hardened SteelNickel Alloy
HardnessHRC40 ~ 45HRC45 ~ 50HRC50 ~ 60HRC33 ~ 45
Vc30 ~50 m/min20 ~30 m/min20 ~ 30 m/min15 ~30 m/min
Dia(mm)RPMFeed(mm/rev)RPMFeed(mm/rev)RPMFeed(mm/rev)RPMFeed(mm/rev)
432000.04 ~ 0.0820000.04 ~ 0.0820000.03 ~ 0.0616000.04 ~ 0.08
525000.05 ~ 0.1016000.05 ~ 0.1016000.04 ~ 0.0813000.05 ~ 0.10
621000.06 ~ 0.1213000.06 ~ 0.1213000.05 ~ 0.0911000.06 ~ 0.12
718000.07 ~ 0.1411000.07 ~ 0.1411000.06 ~ 0.119000.07 ~ 0.14
816000.08 ~ 0.1610000.08 ~ 0.1610000.06 ~ 0.128000.08 ~ 0.16
914000.09 ~ 0.189000.09 ~ 0.189000.07 ~ 0.147000.09 ~ 0.18
1013000.10 ~ 0.208000.10 ~ 0.208000.08 ~ 0.156000.10 ~ 0.20
1111500.11 ~ 0.227200.11 ~ 0.227200.09 ~ 0.176000.11 ~ 0.22
1211000.12 ~ 0.247000.12 ~ 0.247000.10 ~ 0.185000.12 ~ 0.24

Table 07 - DZC Series (Internal Coolant)

Drill DiameterØ3-6mmØ6.1~10mmØ10.1-16mm
Work MaterialHardnessVc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)
Mild Steel(60~1000.1~0.280~1200.15~0.3100~1400.25~0.4
P Cabon Steel(180~280HB)60~900.1~0.280~1100.15~0.3100~1300.25~0.4
Alloy Steel(280~350HB)50~800.08~0.1860~1000.15~0.2770~1100.22~0.35
M Stainless Steel(30~500.06~0.1540~700.1~0.2550~900.2~0.3
K Cast lron(70~1000.1~0.280~1200.15~0.390~1400.25~0.4
Ductile Cast lron(50~800.1~0.260~900.15~0.370~1100.25~0.4
Aluminum-70~1200.1~0.2580~1400.15~0.3590~1600.3~0.45
N Aluminum >12% Si-60~1000.1~0.2570~1200.15~0.3590~1400.3~0.45
S Heat Resistant Alloy-15~300.02~0.0820~400.04~0.125~450.06~0.12
H Hardened Material40~60HRC10~250.02~0.0815~350.04~0.120~400.06~0.12

Table 08 - DZN Series (External Coolant)

Drill DiameterØ3-6mmØ6.1~10mmØ10.1-16mm
Work MaterialHardnessVc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)
Mild Steel(35~600.1~0.245~750.15~0.350~850.25~0.4
P Cabon Steel(180~280HB)30~550.1~0.240~700.15~0.345~800.25~0.4
Alloy Steel(280~350HB)25~500.08~0.1835~650.15~0.2740~750.22~0.35
M Stainless Steel(20~400.06~0.1525~500.1~0.2530~600.2~0.3
Cast lron(40~600.1~0.250~750.15~0.355~850.25~0.4
K Ductile Cast lron(35~550.1~0.245~700.15~0.350~800.25~0.4
N Aluminum-60~1000.1~0.2565~1150.15~0.3570~1300.3~0.45
Aluminum >12% Si-50~900.1~0.2560~1100.15~0.3565~1200.3~0.45
S Heat Resistant Alloy-15~300.02~0.0820~400.04~0.125~450.06~0.12
H Hardened Material40~60HRC10~250.02~0.0815~350.04~0.120~400.06~0.12