
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
- Cool Jet, can be sealed
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Heavy Duty Shrink Chuck
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
- Cool Jet, can be sealed
Heavy Duty Shrink Chuck
DIN 69893-1 · HSK-A63
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
- Without back-up screw
To shrink with all HAIMER Power Clamp 13 kW shrink fit units.
Technical data subjects to change without prior notice.
Technical drawing

Please select your clamping diameter:
Clamping Ø D1 [inch] | 5/8 |
---|---|
Ø D2 [inch] | 1.81 |
L [inch] | 2.01 |
Order No. | Gage length A in inch | |||||
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A63.145.5/8z.6 | ![]() ultra short, 3.15 inch |
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|
Accessory | ||
A63.140.5/8z.6 | ![]() short, 3.35 inch |
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|
Accessory |
Clamping Ø D1 [inch] | 3/4 |
---|---|
Ø D2 [inch] | 1.81 |
L [inch] | 2.08 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
A63.145.3/4z.6 | ![]() ultra short, 3.15 inch |
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|
Accessory | ||
A63.140.3/4z.6 | ![]() short, 3.35 inch |
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Accessory |