DRC Series (Internal Coolant)

Drill DiameterØ3-6mmØ6.1~10mmØ10.1-12mm
Work MaterialHardnessVc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)
Mild Steel(40~700.1~0.240~700.1~0.2440~700.1~0.3
P Cabon Steel(180~280HB)25~500.1~0.225~500.1~0.2425~500.1~0.3
Alloy Steel(280~350HB)15~250.08~0.1615~250.08~0.215~250.08~0.24
M Stainless Steel(8~150.08~0.168~150.08~0.188~150.08~0.2
Cast lron(35~600.1~0.3235~600.1~0.3635~600.1~0.4
K Ductile Cast lron(20~450.1~0.2420~450.1~0.2820~450.1~0.32
N Aluminum-110~1950.12~0.32110~1950.12~0.36110~1950.12~0.4
Aluminum >12% Si-105~1800.12~0.32105~1800.12~0.36105~1800.12~0.4
S Heat Resistant Alloy-8~150.08~0.168~150.08~0.188~150.08~0.2
H Hardened Material-------

DRN Series (External Coolant)

Drill DiameterØ3-6mmØ6.1~10mmØ10.1-12mm
Work MaterialHardnessVc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)Vc (m/min)Feed (mm/rev)
Mild Steel(10~200.03~0.1210~200.06~0.210~200.1~0.22
P Cabon Steel(180~280HB)10~160.03~0.1210~160.06~0.210~160.1~0.22
Alloy Steel(280~350HB)8~120.03~0.128~120.06~0.28~120.1~0.22
M Stainless Steel-------
K Cast lron(8~160.03~0.128~160.06~0.028~160.1~0.22
Ductile Cast lron(8~160.03~0.128~160.06~0.028~160.1~0.22
N Aluminum-20~300.03~0.1320~300.07~0.2320~300.1~0.28
Aluminum >12% Si-20~300.03~0.1320~300.07~0.2320~300.1~0.28
S Heat Resistant Alloy-------
H Hardened Material-------