BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck

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
  • Cool Jet, can be sealed

Heavy Duty Shrink Chuck with Safe-Lock™
JIS B 6339 · BT50

Shrink fit chuck suitable to all high performance inductive shrink fit units.

For heavy machining applications it is now possible to replace the Weldon tool holders finally. Heavy Duty Chuck is the shrink fit chuck for extreme cases. The contour is optimized for highest rigidity and clamping force.

  • Smooth clamping of the tool shank
  • No deformation at the tool shank after shrink process
  • High runout accuracy: 3 μm
  • Reinforced outer contour
  • With dirt groove in the clamping bore
  • With threaded holes in order to balance with balancing screws
  • Cool Jet bores that can be sealed included
  • Cooling with Cool Flash for an extra charge
  • Safe-Lock™ pull out protection included

To shrink with all HAIMER Power Clamp 20 kW shrink fit units and shrink fit machines with 13 kW HD-Coil.

Technical data subjects to change without prior notice.

Features Heavy Duty Shrink Chuck

The most important features:

  • 1. High runout accuracy (< 0.003 mm)
  • 2. Reinforced wall thickness at the clamping range
  • 3. Extremly rigid outer geometry
  • 4. Dirt groove in the clamping bore for safe clamping force
  • 5. Expansion grooves in the clamping bore
  • 6. Standard with Cool Jet (can be re-sealed)
  • 7. Safe-Lock™ (optional)
Safe-Lock™  for Shrink Fit Chucks

Safe-Lock™ pull out protection

  • Highly accurate clamping due to shrink fit technology
  • High torque due to form closed clamping
  • No loss of accuracy
  • No pull out and no spinning ot the tool
  • Groove on tool shank is directed so that the tool will be pulled into the chuck (depending on direction of rotation)
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

Technical drawing

BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck Technical Drawing

Please select your clamping diameter:

Clamping Ø D1 [mm] 16
Ø D2 [mm] short51
Ø D2 [mm]51
Ø D3 [mm] short-
Ø D3 [mm]85
L [mm]50
Order No. Gage length A in mm    
50.650.16.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck short Pictogram
short, 100.00 mm
DXF
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50.652.16.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck oversize Pictogram
oversize, 160.00 mm
DXF
Step
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50.656.16.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck ZG200 Pictogram
ZG200, 200.00 mm
DXF
Step
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Clamping Ø D1 [mm] 20
Ø D2 [mm] short58
Ø D2 [mm]58
Ø D3 [mm] short67
Ø D3 [mm]85
L [mm]52
Order No. Gage length A in mm    
50.650.20.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck short Pictogram
short, 100.00 mm
DXF
Step
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50.652.20.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
50.656.20.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck ZG200 Pictogram
ZG200, 200.00 mm
DXF
Step
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Clamping Ø D1 [mm] 25
Ø D2 [mm] short63
Ø D2 [mm]63
Ø D3 [mm] short72
Ø D3 [mm]85
L [mm]58
Order No. Gage length A in mm    
50.650.25.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck short Pictogram
short, 105.00 mm
DXF
Step
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50.652.25.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
50.656.25.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck ZG200 Pictogram
ZG200, 200.00 mm
DXF
Step
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Clamping Ø D1 [mm] 32
Ø D2 [mm]70
Ø D3 [mm] short78
Ø D3 [mm]85
L [mm]61
Order No. Gage length A in mm    
50.650.32.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck short Pictogram
short, 105.00 mm
DXF
Step
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50.652.32.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
50.656.32.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck ZG200 Pictogram
ZG200, 200.00 mm
DXF
Step
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Clamping Ø D1 [mm] 40
Ø D2 [mm]82,3
Ø D2 [mm]82
Ø D3 [mm] short-
Ø D3 [mm]94
L [mm]88
Order No. Gage length A in mm    
50.650.40.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck short Pictogram
short, 115.00 mm
DXF
Step
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50.652.40.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
50.656.40.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck ZG200 Pictogram
ZG200, 200.00 mm
DXF
Step
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Clamping Ø D1 [mm] 50
Ø D2 [mm] short82
Ø D2 [mm]82
Ø D3 [mm] short-
Ø D3 [mm]94
L [mm]88
Order No. Gage length A in mm    
50.650.50.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck short Pictogram
short, 120.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
50.652.50.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck oversize Pictogram
oversize, 160.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
50.656.50.67
BT50 Shrink Fit Chuck Heavy Duty Shrink Chuck ZG200 Pictogram
ZG200, 200.00 mm
DXF
Step
Add item to wishlist Add item to wishlist Item already on wishlist
Product wishlist