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BT40 with face contact 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 AD
Your current product selection:
BT40 with face contact Shrink Fit Chuck Standard

Shrink Fit Chuck Standard Version
similar JIS B 6339 · BT40 with face contact

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 AD

Shrink Fit Chuck Standard Version
similar JIS B 6339 · BT40 with face contact

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

Similar JIS B 6339 BT40 with face contact form AD.
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: with back-up screw

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 (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 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
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

BT40 with face contact 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    
40P.640.03.1 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm

Without back-up screw, without threads for balancing screws
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    
40P.640.04.1 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm

Without back-up screw, without threads for balancing screws
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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    
40P.640.06 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm
DXF
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40P.644.06 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
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40P.642.06 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 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    
40P.640.08 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm
DXF
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40P.644.08 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
Step
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40P.642.08 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 mm
DXF
Step
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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    
40P.640.10 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm
DXF
Step
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40P.644.10 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
Step
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40P.642.10 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 mm
DXF
Step
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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    
40P.640.12 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm
DXF
Step
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40P.644.12 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
Step
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40P.642.12 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 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    
40P.640.16 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm
DXF
Step
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40P.644.16 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
Step
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40P.642.16 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 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    
40P.640.20 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 90.00 mm
DXF
Step
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40P.644.20 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
Step
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40P.642.20 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 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    
40P.640.25 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 100.00 mm
DXF
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40P.644.25 BT40 with face contact Shrink Fit Chuck Standard ZG130 - Pictogram
ZG130, 130.00 mm
DXF
Step
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40P.642.25 BT40 with face contact Shrink Fit Chuck Standard extralong - Pictogram
extralong, 160.00 mm
DXF
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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    
40P.640.32 BT40 with face contact Shrink Fit Chuck Standard short - Pictogram
short, 100.00 mm
DXF
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