ATORN chuck for solid drill bits SK40 (ISO 7388-1) dia. 40 mm A=115 mm
Brand: ATORN
Art.-no. 23163111
Manufacturer article no. 22661015
EAN 4050293714302
Individual prices for customers after login
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The previous standard DIN 69871-1 was superseded by ISO 7388-1.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 |
Tool holding device | SK 40 |
Form | AD |
Clamping diameter (d1) | 40 mm |
Outer diameter (D) | 60 mm |
Projecting length (A) | 115 mm |
Coolant supply | Internal axial |
Clearance length to collar (L1) | 66 mm |
Clamp in depth (T) | 74 mm |
Balancing quality | G 2.5 at 25,000 rpm |
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