Hydraulic expansion chuck, short slimline version BT40 (ISO 7388-2) dia. 20 mm
Brand: ATORN
Art.-no. 23333520
Manufacturer article no. 21040034
EAN 4050293151282
Application
For clamping drill bits and milling tools with straight shank.
Execution
- High clamping forces
- Axial longitudinal adjustment
- High-precision centric clamping
- Excellent damping properties
- Standard tool changes as with expansion chucks without requiring additional devices
- Reducer bushings enable various applications
- With Balluff chip hole
- All standard shank types can be clamped
Advantage
- High torque transfer
- Good surface qualities
- Suitable for high rotation speeds
- Excellent vibration-damping properties
- Longer cutting tool service life
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x short, slim BT40 or BT50 hydraulic expansion chuck (ISO 7388-2)
 | |
Brand | ATORN |
Main EAN Code | 4050293151282 |
Manufacturer Part Number | 21040034 |
Tool holding device | BT 40 |
Clamping diameter (d) | 20 mm |
Projecting length (A) | 90 mm |
Tapered diameter (d2) | 38 mm |
Outer diameter (D) | 49.5 mm |
Length 3 (L1) | 47 mm |
Clamp in depth (l2) | 51 mm |
Clearance length to collar (l3) | 47 mm |
Max. adjustment travel (V) | 10 mm |
Form | JD/JF |
Thread dimension (G) | M16 x 1 |
Coolant supply | Internal |
Concentricity tolerance | 0.003 mm |
Balancing quality | G 2.5 at 25,000 rpm |
Product Group | 2BC |
Gross Weight | 4.200 kg |
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