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ATORN

ATORN surface chuck (Weldon) SK40 (ISO 7388-1) dia. 18 mm A=100 mm coolant bore

Brand: ATORN

DIN: 69871-1

Art.-no. ZA23157917

Manufacturer article no. 22660318

EAN 4050293707335

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Application

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

Execution

  • Alloyed case-hardening steel with core tensile strength of 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
  • Tool holder concentricity, internal taper to clamping diameter ≤ 0.005 mm
  • All functional surfaces are machined

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

1x SK40 or SK50 surface chuck (Weldon) (ISO 7388-1) with coolant bores

Brand

ATORN

EAN

4050293707335

Manufacturer Part Number

22660318

Tool holding device

SK 40

Clamping diameter (d)

18 mm

Projecting length (A)

100 mm

Outer diameter (D)

50 mm

Clearance length to collar (L)

81 mm

Balancing quality

G 2.5 at 25,000 rpm

Form

AD/AF

DIN

69871-1

Harmonized System Code

84661020

Gross Weight

1.900 kg

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