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Transverse drive shell end mill arbours
In accordance with ISO 7388-2 (JIS B6339/MAS-BT); with enlarged collar diameter
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Application
For accommodating shell end mills and angular milling cutters with longitudinal groove in accordance with DIN 842.
Execution
- Alloyed case-hardening steel, core tensile strength at least 950 N/mm².
- Internal coolant supply.
- Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardening depth 0.8 mm ± 0.2 mm.
- Max. concentricity < 0.005 mm.
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080.
Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.
Delivery
1x transverse drive shell end mill arbour BT40 (ISO 7388-2); with retaining screw.
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