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HSK-A63 Shrink Fit Chuck Standard

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
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HSK-A63 Shrink Fit Chuck Standard

Shrink Fit Chuck Standard Version with Cool Jet
DIN 69893-1 · HSK-A63

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

Shrink Fit Chuck Standard Version with Cool Jet
DIN 69893-1 · HSK-A63

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

DIN 69893-1

  • 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
  • Cool Jet coolant bores included
  • Cooling with Cool Flash for an extra charge
  • Included in delivery: Backup screw, without coolant tube

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
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

Cool Jet

  • 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 for Shrink Fit Chucks

Cool Jet

  • 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 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
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

Technical drawing

HSK-A63 Shrink Fit Chuck Standard Technical Drawing

Please select your clamping diameter:

Clamping Ø D1 [mm] 3
Ø D2 [mm]10
Ø D3 [mm]-
L [mm]9
Order No. Gage length A in mm    
A63.140.03 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
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Clamping Ø D1 [mm] 4
Ø D2 [mm]10
Ø D3 [mm]-
L [mm]12
Order No. Gage length A in mm    
A63.140.04 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
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Clamping Ø D1 [mm] 5
Ø D2 [mm]10
Ø D3 [mm]-
L [mm]15
Order No. Gage length A in mm    
A63.140.05 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm

Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside
DXF
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Clamping Ø D1 [mm] 6
Ø D2 [mm]21
Ø D3 [mm]27
L [mm]36
Order No. Gage length A in mm    
A63.140.06.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
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Clamping Ø D1 [mm] 8
Ø D2 [mm]21
Ø D3 [mm]27
L [mm]36
Order No. Gage length A in mm    
A63.140.08.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
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A63.144.08.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
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Clamping Ø D1 [mm] 10
Ø D2 [mm]24
Ø D3 [mm]32
L [mm]42
Order No. Gage length A in mm    
A63.140.10.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 85.00 mm
DXF
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A63.144.10.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
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Clamping Ø D1 [mm] 12
Ø D2 [mm]24
Ø D3 [mm]32
L [mm]47
Order No. Gage length A in mm    
A63.140.12.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 90.00 mm
DXF
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A63.144.12.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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Clamping Ø D1 [mm] 14
Ø D2 [mm]27
Ø D3 [mm]34
L [mm]47
Order No. Gage length A in mm    
A63.140.14.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 90.00 mm
DXF
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A63.144.14.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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Clamping Ø D1 [mm] 16
Ø D2 [mm]27
Ø D3 [mm]34
L [mm]50
Order No. Gage length A in mm    
A63.140.16.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 95.00 mm
DXF
Step
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A63.144.16.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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Clamping Ø D1 [mm] 18
Ø D2 [mm]33
Ø D3 [mm]42
L [mm]50
Order No. Gage length A in mm    
A63.140.18.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 95.00 mm
DXF
Step
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A63.144.18.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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Clamping Ø D1 [mm] 20
Ø D2 [mm]33
Ø D3 [mm]42
L [mm]52
Order No. Gage length A in mm    
A63.140.20.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 100.00 mm
DXF
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A63.144.20.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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Clamping Ø D1 [mm] 25
Ø D2 [mm]44
Ø D3 [mm]53
L [mm]58
Order No. Gage length A in mm    
A63.140.25.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 115.00 mm
DXF
Step
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A63.144.25.2 HSK-A63 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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Clamping Ø D1 [mm] 32
Ø D2 [mm]44
Ø D3 [mm]53
L [mm]58
Order No. Gage length A in mm    
A63.140.32.2 HSK-A63 Shrink Fit Chuck Standard short Pictogram
short, 120.00 mm
DXF
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