DESCRIPTION
Features Of VMC BT Drill Chuck:
- Choice BT flange with R*R® High Torque/High Precision Keyless Chucks.
- Single taper connection eliminates intermediate arbors to assure high tool rigidity and drilling.
- Compact design, as compared to conventional tool setups, increases machining flexibility.
- Precision tested and individually certified for run-out (mounting taper to chuck capacity).
- Designed to maximize drill chuck rigidity and precision on machining centers with automatic tool changers.
- Assured premium quality.
Model Explanation for Keyless Drill Chuck With Integral Shank:

How To Use BT-APU Drill Chuck Holder:
- Please insert the cutting tool handle department after the cartridge, do cause the handle part insertion cartridge. Lock when the cutting tool please completely insert the cutting tool’s handle diameter part.
- Especially in the trail’s situation, please confirm that beats the precision.
- When the cutting tool clamps, the cutting tool inserts the cartridge first, turns tight with the hand, and finally use the special spanner force to lock.
Dimension Chart for Integral Keyless drill chuck:


Shank Taper |
Chucking Dia |
L mm |
L1 mm |
L2 mm |
ØD1 mm |
ØD2 mm |
Runout(at 25mm) |
BT-30 |
1-13mm |
- |
- |
66 |
50 |
63 |
0.050mm |
BT-40 |
1-13mm |
65.4 |
105.5 |
66 |
50 |
63 |
0.050mm |
BT-50 |
1-13mm |
101.8 |
117.5 |
66 |
50 |
63 |
0.050mm |
APU Drill Chuck is manufactured in a one-piece design with precision grounded surfaces. This keyless drill chuck with integrated shank is highly suitable for CNC drilling and cutting works in industries. These are constructed by the shank and keyless drill chucks combined together to avoid the slippage during operations.