
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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Shrink Fit Chuck Standard Version
DIN 69893-1 · HSK-A50
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
DIN 69893-1 · HSK-A50
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
- Cooling with Cool Jet for an extra charge
- Cooling with Cool Flash for an extra charge
- Included in delivery: Shrink fit chuck with backup screw, without coolant tube
Technical data subjects to change without prior notice.
Standard version, similar to DIN 69882-8.
Technical drawing

Please select your clamping diameter:
Spann Ø D1 [mm] | 3 |
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Ø D2 [mm] | 10 |
Ø D3 [mm] | - |
L [mm] | 9 |
Order No. | Gage length A in mm | |||||
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A50.140.03 | ![]() short, 60.00 mm Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory | ||
A50.147.03.1 | ![]() ZG120, 120.00 mm Without back-up screw, without threads for balancing screws, without slits along the clamping bore for cooling from outside |
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Accessory | ||
A50.144.03.1 | ![]() ZG130, 130.00 mm Without back-up screw, without threads for balancing screws, without slits along the clamping bore for cooling from outside |
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Accessory |
Clamping Ø D1 [mm] | 4 |
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Ø D2 [mm] | 10 |
Ø D3 [mm] | - |
L [mm] | 12 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
A50.140.04 | ![]() short, 60.00 mm Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory | ||
A50.147.04.1 | ![]() ZG120, 120.00 mm Without back-up screw, without threads for balancing screws, without slits along the clamping bore for cooling from outside |
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Accessory | ||
A50.144.04.1 | ![]() ZG130, 130.00 mm Without back-up screw, without threads for balancing screws, without slits along the clamping bore for cooling from outside |
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Accessory |
Clamping Ø D1 [mm] | 5 |
---|---|
Ø D2 [mm] | 10 |
Ø D3 [mm] | - |
L [mm] | 15 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
A50.140.05 | ![]() short, 60.00 mm Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory | ||
A50.147.05.1 | ![]() ZG120, 120.00 mm Without back-up screw, without threads for balancing screws, without slits along the clamping bore for cooling from outside |
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Accessory | ||
A50.144.05.1 | ![]() ZG130, 130.00 mm Without back-up screw, without threads for balancing screws, without slits along the clamping bore for cooling from outside |
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Accessory |
Clamping Ø D1 [mm] | 6 |
---|---|
Ø D2 [mm] | 21 |
Ø D3 [mm] | 27 |
L [mm] | 36 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
A50.140.06 | ![]() short, 80.00 mm |
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Accessory | ||
A50.147.06 | ![]() ZG120, 120.00 mm |
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Accessory | ||
A50.144.06 | ![]() ZG130, 130.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 8 |
---|---|
Ø D2 [mm] | 21 |
Ø D3 [mm] | 27 |
L [mm] | 36 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
A50.140.08 | ![]() short, 80.00 mm |
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Accessory | ||
A50.147.08 | ![]() ZG120, 120.00 mm |
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Accessory | ||
A50.144.08 | ![]() ZG130, 130.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 10 |
---|---|
Ø D2 [mm] | 24 |
Ø D3 [mm] | 32 |
L [mm] | 42 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
A50.140.10 | ![]() short, 85.00 mm |
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Accessory | ||
A50.147.10 | ![]() ZG120, 120.00 mm |
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Accessory | ||
A50.144.10 | ![]() ZG130, 130.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 12 |
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Ø D2 [mm] | 24 |
Ø D3 [mm] | 32 |
L [mm] | 47 |
Order No. | Gage length A in mm | |||||
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A50.140.12 | ![]() short, 90.00 mm |
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Accessory | ||
A50.147.12 | ![]() ZG120, 120.00 mm |
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Accessory | ||
A50.144.12 | ![]() ZG130, 130.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 14 |
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Ø D2 [mm] | 27 |
Ø D3 [mm] | 34 |
L [mm] | 47 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
A50.140.14 | ![]() short, 90.00 mm |
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Accessory |