Combination shell end mill arbour SK40 dia. 32 mm A=160 mm

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.

Delivery
1x combination shell end mill arbour SK40 or SK50 (ISO 7388-1); incl. retaining screw, key and drive ring.

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The previous standard DIN 69871-1 is superseded by ISO 7388-1.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.