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SK40 with face contact Collet Chuck Typ ER

Certificate of Quality

  • Chuck body fine balanced G2.5 at 22.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form AD
Your current product selection:
SK40 with face contact Collet Chuck Typ ER

Collet Chuck Type ER
similar DIN ISO 7388-1 SK40 with face contact (formerly DIN 69871)

Certificate of Quality

  • Chuck body fine balanced G2.5 at 22.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form AD

Collet Chuck Type ER
similar DIN ISO 7388-1 SK40 with face contact (formerly DIN 69871)

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

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.

  • Included in delivery: Locknut (balanced, with slide coating for higher clamping forces)
  • Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces) for an extra charge
  • 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
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

SK40 with face contact Collet Chuck Typ ER - Technical Drawing

Please select your clamping diameter:

Version ER 16
Ø D [mm]28
Clamping range [mm]0,5 - 10,0
L [mm] short-
L [mm]-
Order No. Gage length A in mm    
40P.321.16 SK40 with face contact Collet Chuck Standard long - Pictogram
long, 100.00 mm

Also suitable for ANSI-CAT
L = drilled through
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Version ER 20
Ø D [mm]34
Clamping range [mm]1,5 - 13,0
L [mm] short41,5
L [mm]41
Order No. Gage length A in mm    
40P.321.20 SK40 with face contact Collet Chuck Standard long - Pictogram
long, 100.00 mm

Also suitable for ANSI-CAT
DXF
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Version ER 25
Ø D [mm]42
Clamping range [mm]1,0 - 16,0
L [mm] short62
L [mm]57
Order No. Gage length A in mm    
40P.321.25 SK40 with face contact Collet Chuck Standard long - Pictogram
long, 100.00 mm

Also suitable for ANSI-CAT
DXF
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Version ER 32
Ø D [mm]50
Clamping range [mm]1,5 - 20,0
L [mm] short64
L [mm]64
Order No. Gage length A in mm    
40P.321.32 SK40 with face contact Collet Chuck Standard long - Pictogram
long, 100.00 mm
DXF
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