HSK-A40 Collet Chuck Typ ER

Certificate of Quality

  • Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
  • All functional surfaces fine machined
  • More accurate than DIN

Collet Chuck Type ER
DIN 69893-1 · HSK-A40

For clamping tools with cylindrical shank in ER collets according to ISO 15488.

DIN 69882-6

  • Included in delivery: Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces); without coolant tube
  • Enlarging of size L upon request

Technical data subjects to change without prior notice.

Features Collet Chuck Typ ER

The most important features:

  • 1. Fine balanced G2.5 at 25,000 rpm
  • 2. All functional surfaces grinded
  • 3. Fine balanced ER nut
  • 4. High runout accuracy

Technical drawing

HSK-A40 Collet Chuck Typ ER Technical Drawing

Please select your clamping diameter:

Version ER 11
Ø D [mm]19
Clamping range [mm]0,5 - 7,0
L [mm]23,5
Order No. Gage length A in mm    
A40.025.11
HSK-A40 Collet Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without thread for back-up screw
DXF
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Version ER 16
Ø D [mm]28
Clamping range [mm]0,5 - 10,0
L [mm]33
Order No. Gage length A in mm    
A40.025.16
HSK-A40 Collet Chuck Standard ultra short Pictogram
ultra short, 60.00 mm

Without thread for back-up screw
DXF
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A40.020.16
HSK-A40 Collet Chuck Standard short Pictogram
short, 80.00 mm
DXF
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Version ER 25
Ø D [mm]42
Clamping range [mm]1,0 - 16,0
L [mm]41
Order No. Gage length A in mm    
A40.025.25
HSK-A40 Collet Chuck Standard ultra short Pictogram
ultra short, 70.00 mm

Without thread for back-up screw
DXF
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A40.020.25
HSK-A40 Collet Chuck Standard short Pictogram
short, 80.00 mm
DXF
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Version ER 32
Ø D [mm]50
Clamping range [mm]1,5 - 20,0
L [mm]47
Order No. Gage length A in mm    
A40.025.32
HSK-A40 Collet Chuck Standard ultra short Pictogram
ultra short, 70.00 mm

Without thread for back-up screw
DXF
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