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Combination shell end mill arbours
In accordance with ISO 7388-1 (DIN 69871)
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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), hardening depth 0.8 mm ± 0.2 mm.
- Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080.
- All functional surfaces machined.
- Max. concentricity < 0.005 mm.
- Internal cooling only for A-dimension 160 mm and 200 mm.
- Required pull studs no. 23690
Notes
The previous standard DIN 69871-1 is superseded by ISO 7388-1. If combined shell end mill arbors with ICS are desired, the cutter retaining screws must be ordered separately with IC DIN 6367.
Delivery
1x combination shell end mill arbour SK40 or SK50 (ISO 7388-1); incl. retaining screw, key and drive ring.
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