ATORN chuck for solid drill bits BT40 (ISO 7388-2) dia. 40 mm A=100 mm
Brand: ATORN
Art.-no. 23163119
Manufacturer article no. 22661023
EAN 4050293714388
Application
This chuck is used to clamp indexable insert solid drill bits that are fixed with two screws, similar to a surface chuck.
Execution
- Alloyed case-hardening steel, core tensile strength at least 950 N/mm²
- Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardness depth 0.8 mm ± 0.2 mm, black oxide finish
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
- Max. concentricity < 0.005 mm
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x BT40 solid drill chuck (ISO 7388-2)
 | |
Brand | ATORN |
Tool holding device | BT 40 |
Form | JD |
Clamping diameter (d1) | 40 mm |
Outer diameter (D) | 60 mm |
Projecting length (A) | 100 mm |
Coolant supply | Internal axial |
Clearance length to collar (L2) | 66 mm |
Clamp in depth (T) | 76 mm |
Balancing quality | G 2.5 at 25,000 rpm |
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