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ATORN SK40 surface chuck (ISO 7388-1), dia. 20 mm, A=63 mm coolant bore

ATORN SK40 surface chuck (ISO 7388-1), dia. 20 mm, A=63 mm coolant bore

ATORN SK40 surface chuck (ISO 7388-1), dia. 20 mm, A=63 mm coolant bore
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Item no: 1021632 341 

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Available in 8-10 working days.

Application
For clamping tools with straight shank and clamping surface in accordance with DIN 1835 B.

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 surface chuck (Weldon) (ISO 7388-1) with coolant bores

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The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Brand: ATORN
Tool holding device: SK 40
Clamping diameter (d): 20 mm
Projecting length (A): 63 mm
Outer diameter (D): 52 mm
Clearance length to collar (L): 44 mm
Balancing quality: G 2.5 at 25,000 rpm
Form: AD/AF
Thread dimension (g / G): M16
DIN: 69871-1

ATORN-No.: 22660322

EAN no.: 4050293707373

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