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ATORN

ATORN collet chuck SK40 (ISO 7388-1) ER25-Mini A=160 mm

Brand: ATORN

DIN: 69871-1

Art.-no. 23297118

Manufacturer article no. 22660615

EAN 4050293710304

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Application

For clamping tools with a straight shank in ER collets in accordance with DIN 6499.

Execution

  • Alloyed case-hardening steel, core tensile strength at least 950 N/mm²
  • Internal coolant supply
  • Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardness depth 0.8 mm ± 0.2 mm
  • Max. concentricity < 0.005 mm
  • Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
  • All functional surfaces are machined

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

1x SK40 or SK50 ER miniature collet chuck (ISO 7388-1); incl. clamping nut

Brand

ATORN

Tool holding device

SK 40

Collet type

ER 25

Min./max. clamping range (Spannbereich min./max.)

1-16 mm

Projecting length (A)

160 mm

Outer diameter (D)

35 mm

Clearance length to collar (L1)

141 mm

DIN

69871-1

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