ATORN combination shell end mill arbour BT40 (ISO 7388-2) dia. 22 mm A=55 mm
Brand: ATORN
Art.-no. 23160355
Manufacturer article no. 22660724
EAN 4050293711394
Application
For holding shell end mills and single angle milling cutters with longitudinal groove in accordance with DIN 842.
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
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
- All functional surfaces are machined
- Max. concentricity < 0.005 mm
- Internal cooling with A dimension of 160 mm and 200 mm only
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x BT40 combination shell end mill arbour (ISO 7388-2); incl. retaining screw, key and drive ring
 | |
Brand | ATORN |
Tool holding device | BT 40 |
Mandrel diameter (d1) | 22 mm |
Tap length (L1) | 31 mm |
Projecting length (A) | 55 mm |
Outer diameter (D) | 40 mm |
Coolant supply | No |
Balancing quality | G 2.5 at 25,000 rpm |
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