ATORN BT40 ER25 collet chuck (ISO 7388-2) A=70 mm
Brand: ATORN
Art.-no. 23296474
Manufacturer article no. 21981097
EAN 4050293647020
Application
For clamping tools with straight shanks in collets, DIN 6499 shape A and B.
Execution
- Pre-balanced G6.3/25,000 rpm
- Precision version
- External and internal cone polished
- High concentricity
Advantage
- Positive-locking planar contact face for increased rigidity and vibration damping
- Extends the service life of cutting tools
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x BT30 collet chuck (ISO 7388-2); incl. clamping nut
 | |
Brand | ATORN |
Main EAN Code | 4050293647020 |
Manufacturer Part Number | 21981097 |
Tool holding device | BT 40 |
Form | JD |
Collet type | ER 25 (430 E) |
Projecting length (A) | 70 mm |
Outer diameter (D) | 42 mm |
Min./max. clamping range | 2-16 mm |
Coolant supply | Internal |
Balancing quality | G 6,3 at 25000 rpm |
Concentricity tolerance | 5 µm |
Gross Weight | 1.350 kg |
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