
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 JD
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Shrink Fit Chuck Standard Version
JIS B 6339-2 · BT30
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 JD
Shrink Fit Chuck Standard Version
JIS B 6339-2 · BT30
Shrink fit chuck suitable to all kind of shrink fit units.
JIS B 6339-2 BT30.
- Heat resistant hot-working steel
- Hardened 54 – 2 HRC
- For HSS and solid carbide tools
- Shank tolerance h6
- Cooling with Cool Jet for an extra charge
- Cooling with Cool Flash for an extra charge
- Included in delivery: Back-up screw
Technical data subjects to change without prior notice.
Standard version, similar to DIN 69882-8
Technical drawing

Please select your clamping diameter:
Clamping Ø D1 [inch] | 1/8 |
---|---|
Ø D2 [inch] | 0.39 |
Ø D2 [inch] ultra short | 0.39 |
Ø D3 [inch] | - |
Ø D3 [inch] ultra short | - |
L [inch] | 0.35 |
L [inch] ultra short | 0.35 |
Order No. | Gage length A in inch | |||||
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30.645.1/8z | ![]() ultra short, 2.36 inch Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory | ||
30.640.1/8z | ![]() short, 3.15 inch Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory |
Clamping Ø D1 [inch] | 3/16 |
---|---|
Ø D2 [inch] | 0.39 |
Ø D2 [inch] ultra short | 0.39 |
Ø D3 [inch] | - |
Ø D3 [inch] ultra short | - |
L [inch] | 0.59 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
30.645.3/16z | ![]() ultra short, 2.36 inch Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory | ||
30.640.3/16z | ![]() short, 3.15 inch Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
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Accessory |
Clamping Ø D1 [inch] | 1/4 |
---|---|
Ø D2 [inch] | 0.83 |
Ø D2 [inch] ultra short | 0.91 |
Ø D3 [inch] | 1.06 |
Ø D3 [inch] ultra short | - |
L [inch] | 1.42 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
30.645.1/4z.4 | ![]() ultra short, 2.36 inch |
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Accessory | ||
30.640.1/4z.4 | ![]() short, 3.15 inch |
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Accessory |
Clamping Ø D1 [inch] | 5/16 |
---|---|
Ø D2 [inch] | 0.83 |
Ø D2 [inch] ultra short | 0.91 |
Ø D3 [inch] | 1.06 |
Ø D3 [inch] ultra short | - |
L [inch] | 1.42 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
30.645.5/16z.4 | ![]() ultra short, 2.36 inch |
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Accessory | ||
30.640.5/16z.4 | ![]() short, 3.15 inch |
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Accessory |
Clamping Ø D1 [inch] | 3/8 |
---|---|
Ø D2 [inch] | 0.94 |
Ø D2 [inch] ultra short | 1.06 |
Ø D3 [inch] | 1.26 |
Ø D3 [inch] ultra short | - |
L [inch] | 1.65 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
30.645.3/8z.4 | ![]() ultra short, 2.36 inch |
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Accessory | ||
30.640.3/8z.4 | ![]() short, 3.15 inch |
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Accessory |
Clamping Ø D1 [inch] | 7/16 |
---|---|
Ø D2 [inch] | 0.94 |
Ø D2 [inch] ultra short | 1.06 |
Ø D3 [inch] | 1.26 |
Ø D3 [inch] ultra short | - |
L [inch] | 1.65 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
30.645.7/16z.4 | ![]() ultra short, 2.36 inch |
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Accessory | ||
30.640.7/16z.4 | ![]() short, 3.15 inch |
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Accessory |
Clamping Ø D1 [inch] | 1/2 |
---|---|
Ø D2 [inch] | 0.94 |
Ø D2 [inch] ultra short | 1.06 |
Ø D3 [inch] | 1.26 |
Ø D3 [inch] ultra short | - |
L [inch] | 1.85 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
30.645.1/2z.4 | ![]() ultra short, 2.36 inch |
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Accessory | ||
30.640.1/2z.4 | ![]() short, 3.15 inch |
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Accessory |
Clamping Ø D1 [inch] | 5/8 |
---|---|
Ø D2 [inch] | 1.06 |
Ø D2 [inch] ultra short | 1.18 |
Ø D3 [inch] | 1.34 |
Ø D3 [inch] ultra short | - |
L [inch] | 1.97 |
Order No. | Gage length A in inch | |||||
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30.645.5/8z.4 | ![]() ultra short, 2.56 inch |
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Accessory | ||
30.640.5/8z.4 | ![]() short, 3.15 inch |
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Accessory |
Clamping Ø D1 [inch] | 3/4 |
---|---|
Ø D2 [inch] | 1.30 |
Ø D2 [inch] ultra short | 1.39 |
Ø D3 [inch] | 1.65 |
Ø D3 [inch] ultra short | - |
L [inch] | 2.05 |
Order No. | Gage length A in inch | |||||
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30.645.3/4z.4 | ![]() ultra short, 2.75 inch |
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Accessory | ||
30.640.3/4z.4 | ![]() short, 3.54 inch |
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Accessory |
Clamping Ø D1 [mm] | 3 |
---|---|
Ø D2 [mm] ultra short | 10 |
Ø D2 [mm] | 10 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | - |
L [mm] | 09 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.03 | ![]() ultra 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 | ||
30.640.03 | ![]() short, 80.00 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 |
Clamping Ø D1 [mm] | 4 |
---|---|
Ø D2 [mm] ultra short | 10 |
Ø D2 [mm] | 10 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | - |
L [mm] | 12 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.04 | ![]() ultra 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 | ||
30.640.04 | ![]() short, 80.00 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 |
Clamping Ø D1 [mm] | 5 |
---|---|
Ø D2 [mm] ultra short | 10 |
Ø D2 [mm] | 10 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | - |
L [mm] | 15 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.05 | ![]() ultra 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 | ||
30.640.05 | ![]() short, 80.00 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 |
Clamping Ø D1 [mm] | 6 |
---|---|
Ø D2 [mm] ultra short | 23 |
Ø D2 [mm] | 21 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | 27 |
L [mm] | 36 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.06 | ![]() ultra short, 60.00 mm With back-up screw, without threads for balancing screws |
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Accessory | ||
30.640.06 | ![]() short, 80.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 8 |
---|---|
Ø D2 [mm] ultra short | 23 |
Ø D2 [mm] | 21 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | 27 |
L [mm] | 36 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.08 | ![]() ultra short, 60.00 mm With back-up screw, without threads for balancing screws |
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Accessory | ||
30.640.08 | ![]() short, 80.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 10 |
---|---|
Ø D2 [mm] ultra short | 27 |
Ø D2 [mm] | 24 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | 32 |
L [mm] | 42 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.10 | ![]() ultra short, 60.00 mm Without threads for balancing screws |
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Accessory | ||
30.640.10 | ![]() short, 80.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 12 |
---|---|
Ø D2 [mm] ultra short | 27 |
Ø D2 [mm] | 24 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | 32 |
L [mm] | 47 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.12 | ![]() ultra short, 60.00 mm With back-up screw, without threads for balancing screws |
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Accessory | ||
30.640.12 | ![]() short, 80.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 14 |
---|---|
Ø D2 [mm] ultra short | 30 |
Ø D2 [mm] | 27 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | 34 |
L [mm] | 47 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.14 | ![]() ultra short, 65.00 mm With back-up screw, without threads for balancing screws |
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Accessory | ||
30.640.14 | ![]() short, 80.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 16 |
---|---|
Ø D2 [mm] ultra short | 30 |
Ø D2 [mm] | 27 |
Ø D3 [mm] ultra short | - |
Ø D3 [mm] | 34 |
L [mm] | 50 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
30.645.16 | ![]() ultra short, 65.00 mm With back-up screw, without threads for balancing screws |
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Accessory | ||
30.640.16 | ![]() short, 80.00 mm |
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Accessory |