GDC COLLET CHUCKS / GDC0 pages

Designed for high speed applications. GDC collet chucks incorporate balancing screws
which are adjusted to achieve required balancing grades for high speed applications.
Use with compatible balancing machines and NT's FDC collet system.
Balanced type
GDC A
GDC
Type
Max Imbalance
Value
BT30
1.0 g mm
BT40
2.0 gmm
BT50
5.2 gmm
HSK-63 -A
2.0 gmm
HSK-100 -A
5.2 gmm
CAT40
2.0 gmm
CAT50
5.2 gmm
Cover Ring
G D P Nut
Guide area
Body
Preset Screw
(Not included)
FDC
collet
Balancing screws
Pre baranced holders ready to use straight out of
the box.
The NT balanced collet holder (GDC) is designed
for use in incredibl y high speed (40,000rpm )
applications.
Coolant supply
Balanced tool holders extends the life of cutting
tool and produces better surface finishes.
Cutter with oil hole
FDC-OH type
All 3 types are designed for center-thru coolant
feed.
R.P.M.
8,000rpm
Coolant
Pressure
870psi
High R.P.M. machinin g for drilling ,
reaming and finish endmilling.
Model no.
GDC 07
Preset screw no.
HDS-07
Clamping torque
8-11 lbf-ft
(89 - 133 lbf-in)
22-26 lbf-ft
GDC 09
HDS-09
GDC 12
HDS-12
GDC 16
HDS-16
26 - 30 lbf-ft
(310 - 354 lbf-in)
30 - 33 lbf-ft
GDC 22
HDS-22
(487 - 531 lbf-in)
(266 - 310 lbf-in)
(354 - 398 lbf-in)
41 - 44 lbf-ft
Spanner Size
S-0
Cutter without oil hole
FDC - C type
R.P.M.
8,000rpm
Coolant
Pressure
870psi
FK0025
FK0030
FK0034
FK0045