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ER collet chuck
ER collet chuck - 1
ER collet chuck - 2

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ER collet chuck

In accordance with ISO 7388-1 (DIN 69871)

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Available in 37 versions

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Application

For clamping tools with straight shank in ER collet chucks 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
  • All ER16 collet chucks feature a hexagon nut
  • Required pull studs no. 23690 and collet chucks no. 23320

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

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