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ATORN chuck for solid drill bits SK50 (ISO 7388-1) dia. 25 mm A=70 mm

Brand: ATORN

Art.-no. 23163112

Manufacturer article no. 22661016

EAN 4050293714319


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Application

This chuck is used to clamp indexable insert solid drill bits that are fixed with two screws, similar to a surface chuck.

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, black oxide finish
  • Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
  • Max. concentricity < 0.005 mm

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

1x SK40 or SK50 solid drill chuck (ISO 7388-1)

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Brand

ATORN

Tool holding device

SK 50

Form

AD

Clamping diameter (d1)

25 mm

Outer diameter (D)

45 mm

Projecting length (A)

70 mm

Coolant supply

Internal axial

Clearance length to collar (L1)

51 mm

Clamp in depth (T)

61 mm

Balancing quality

G 2.5 at 25,000 rpm

Art.-no.
Cust. Mat. No.

Hazardous Material

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Technical information