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CAT 40 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
  • Taper tolerance AT3
  • Coolant supply form ADB
Your current product selection:
CAT 40 Shrink Fit Chuck Standard

Shrink Fit Chuck Standard Version
ASME B5.50 · CAT40

Certificate of Quality

  • Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form ADB

Shrink Fit Chuck Standard Version
ASME B5.50 · CAT40

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

CAT 40 FORM ADB.
Form ADB means: Central-coolant supply and coolant channels through the flange which can be sealed again.

  • 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 that can be sealed included
  • Cooling with Cool Flash for an extra charge

Technical data subjects to change without prior notice.

Features Shrink Fit Chuck Standard

The most important features:

  • 1. High runout accuracy (< 3 μm)
  • 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 (< 3 μm)
  • 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 1/4" (6 mm) - 1 1/4" (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 1/4" (6 mm) - 1 1/4" (25 mm)

Technical drawing

CAT 40 Shrink Fit Chuck Standard Technical Drawing

Please select your clamping diameter:

Clamping Ø D1 [inch] 1/8
Ø D2 [inch]0.39
Ø D3 [inch]-
L [inch]0.35
Order No. Gage length A in inch    
40.840.1/8z CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch

Without back-up screw,without threads for balancing screws, with slits along the clamping bore for coolant around the tool
DXF
Step
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Clamping Ø D1 [inch] 3/16
Ø D2 [inch]0.39
Ø D3 [inch]-
L [inch]0.47
Order No. Gage length A in inch    
40.840.3/16z CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch

Without back-up screw,without threads for balancing screws, with slits along the clamping bore for coolant around the tool
DXF
Step
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Clamping Ø D1 [inch] 1/4
Ø D2 [inch]0.83
Ø D3 [inch]1.06
L [inch]1.42
Order No. Gage length A in inch    
40.840.1/4z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
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40.844.1/4z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
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40.842.1/4z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
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Clamping Ø D1 [inch] 5/16
Ø D2 [inch]0.83
Ø D3 [inch]1.06
L [inch]1.42
Order No. Gage length A in inch    
40.840.5/16z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.5/16z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.5/16z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 3/8
Ø D2 [inch]0.94
Ø D3 [inch]1.26
L [inch]1.65
Order No. Gage length A in inch    
40.840.3/8z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.3/8z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.3/8z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 7/16
Ø D2 [inch]0.94
Ø D3 [inch]1.26
L [inch]1.65
Order No. Gage length A in inch    
40.840.7/16z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.7/16z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.7/16z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 1/2
Ø D2 [inch]0.94
Ø D3 [inch]1.26
L [inch]1.85
Order No. Gage length A in inch    
40.840.1/2z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.1/2z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.1/2z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 5/8
Ø D2 [inch]1.06
Ø D3 [inch]1.34
L [inch]1.97
Order No. Gage length A in inch    
40.840.5/8z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.5/8z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.5/8z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 3/4
Ø D2 [inch]1.30
Ø D3 [inch]1.65
L [inch]2.05
Order No. Gage length A in inch    
40.840.3/4z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.3/4z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.3/4z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 7/8
Ø D2 [inch]1.30
Ø D3 [inch]1.65
L [inch]2.05
Order No. Gage length A in inch    
40.840.7/8z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.15 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.7/8z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.7/8z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 1
Ø D2 [inch]1.73
Ø D3 [inch]2.09
L [inch]2.28
Order No. Gage length A in inch    
40.840.1z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.94 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.1z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.1z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [inch] 1 1/4
Ø D2 [inch]1.73
Ø D3 [inch]2.09
L [inch]2.28
Order No. Gage length A in inch    
40.840.11/4z.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 3.94 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.11/4z.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 5.12 inch
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.11/4z.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 6.30 inch
DXF
Step
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Clamping Ø D1 [mm] 3
Ø D2 [mm]10
Ø D3 [mm]-
L [mm]9
Order No. Gage length A in mm    
40.840.03 CAT40 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 coolant around the tool
DXF
Step
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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    
40.840.04 CAT40 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 coolant around the tool
DXF
Step
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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    
40.840.05 CAT40 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 coolant around the tool
DXF
Step
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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    
40.840.06.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.06.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.06.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 8
Ø D2 [mm]21
Ø D3 [mm]27
L [mm]36
Order No. Gage length A in mm    
40.840.08.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.08.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.08.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 10
Ø D2 [mm]24
Ø D3 [mm]32
L [mm]42
Order No. Gage length A in mm    
40.840.10.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.10.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.10.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 12
Ø D2 [mm]24
Ø D3 [mm]32
L [mm]47
Order No. Gage length A in mm    
40.840.12.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.12.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.12.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 14
Ø D2 [mm]27
Ø D3 [mm]34
L [mm]47
Order No. Gage length A in mm    
40.840.14.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.14.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.14.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 16
Ø D2 [mm]27
Ø D3 [mm]34
L [mm]50
Order No. Gage length A in mm    
40.840.16.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.16.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.16.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 20
Ø D2 [mm]33
Ø D3 [mm]42
L [mm]52
Order No. Gage length A in mm    
40.840.20.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 80.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.20.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.20.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 25
Ø D2 [mm]44
Ø D3 [mm]53
L [mm]58
Order No. Gage length A in mm    
40.840.25.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 100.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.25.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.842.25.4 CAT40 Shrink Fit Chuck Standard oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Clamping Ø D1 [mm] 32
Ø D2 [mm]44
Ø D3 [mm]53
L [mm]58
Order No. Gage length A in mm    
40.840.32.4 CAT40 Shrink Fit Chuck Standard short Pictogram
short, 100.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
40.844.32.4 CAT40 Shrink Fit Chuck Standard ZG130 Pictogram
ZG130, 130.00 mm
DXF
Step
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