The images are examples.
ATORN chuck for solid drill bits SK50 (ISO 7388-1) dia. 20 mm A=70 mm
Brand: ATORN
Art.-no. 23163113
Manufacturer article no. 22661017
EAN 4050293714326
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The previous standard DIN 69871-1 was superseded by ISO 7388-1.
Delivery
1x SK40 or SK50 solid drill chuck (ISO 7388-1)
 | |
Brand | ATORN |
Main EAN Code | 4050293714326 |
Manufacturer Part Number | 22661017 |
Tool holding device | SK 50 |
Form | AD |
Clamping diameter (d1) | 20 mm |
Outer diameter (D) | 40 mm |
Projecting length (A) | 70 mm |
Coolant supply | Internal axial |
Clearance length to collar (L1) | 51 mm |
Clamp in depth (T) | 61 mm |
Balancing quality | G 2.5 at 25,000 rpm |
Gross Weight | 3 kg |
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