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ATORN SK40 combination shell end mill arbour (ISO 7388-1), dia. 40 mm, A=70 mm

ATORN SK40 combination shell end mill arbour (ISO 7388-1), dia. 40 mm, A=70 mm

ATORN SK40 combination shell end mill arbour (ISO 7388-1), dia. 40 mm, A=70 mm
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Item no: 1021650 631 

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Still in stock: 1

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
  • Max. concentricity < 0.005 mm
  • Functional surfaces precision-ground, all other surfaces black-oxide
  • With Balluff chip hole

Delivery
1x SK40 or SK50 combination shell end mill arbour (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The previous standard DIN 69871-1 is superseded by ISO 7388-1.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.

Brand: ATORN
Tool holding device: SK 40
Mandrel diameter (d): 40 mm
Form: A
Tap length (L1): 41 mm
Projecting length (A): 55 mm
Coolant supply: External
Outer diameter (D): 70 mm
Balancing quality: G 2.5 at 25,000 rpm
DIN: 69871-1

ATORN-No.: 22660690

EAN no.: 4050293711059

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