DIN ISO 7388-1 SK40 with face contact (formerly DIN 69871)

DIN ISO 7388-1 SK40 with face contact (formerly DIN 69871)

Category: Tool Holders

Specifications
Details

Shrink fit chuck suitable to all kind of shrink fit units.

With steep taper SK40 with face contact form AD similar DIN ISO 7388-1 (formerly DIN 69871).
Form AD means: interior coolant supply through centre.

  • Additional support on the flange surface for more rigidity
  • Heat resistant hot-working steel
  • Hardened 54 – 2 HRC
  • For HSS and solid carbide tools
  • Shank tolerance h6
  • With threaded holes in order to balance with balancing screws
  • Cooling with Cool Jet for an extra charge
  • Cooling with Cool Flash for an extra charge
  • Included in delivery: Backup screw

Each item is subject to a minimum purchase quantity of 3 pcs.

Technical data subjects to change without prior notice.

Standard version, similar to DIN 69882-8.


Features Shrink Fit Chuck Standard

The most important features:

  • 1. High runout accuracy (< 0.003 mm)
  • 2. Extreme clamping torque by high pressing in the clamping bore
  • 3. Short chamfer
  • 4. Dynamic form: Reinforced shank at long tool holders. Compromise between slimness (marginal interference contour) and rigidity
  • 5. Cool Jet (on request)
  • 6. Threaded bores for simple and fast balancing with screws

Cool Jet for Shrink Fit Chucks (optional)

Cool Jet (optional)

  • Optimized coolant bores, aimed at center
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • Higher reliability of cutting process
  • No more balls of chips on tool
  • Cool Jet starting from shank diameter 6 mm

Cool Flash

Cool Flash (optional)

  • Optimized coolant bores with coolant outlet through slots
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • No more balls of chips on tool
  • Optimized runout accuracy! No additional unbalance! No disturbing clearance!
  • Cool Flash available for shank diameter 6 - 25 mm

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