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/JF
Your current product selection:
Shrink Fit Chuck Standard Version with Cool Jet
JIS B 6339-2 · BT40
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/JF
Shrink Fit Chuck Standard Version with Cool Jet
JIS B 6339-2 · BT40
Shrink fit chuck suitable to all kind of shrink fit units.
JIS B 6339-2 BT40 form JD/JF.
Form JD/JF means: Form JD/JF: interior coolant supply through centre (Form JD) and through the collar (form JF)
- 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
- Cool Jet coolant bores included
- 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.
The most important features:
- 1. High runout accuracy (< 3 μm)
- 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
- 6. Threaded bores for simple and fast balancing with screws
The most important features:
- 1. High runout accuracy (< 3 μm)
- 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
- 6. Threaded bores for simple and fast balancing with screws
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 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 (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 1/4" (6 mm) - 1 1/4" (25 mm)
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 1/4" (6 mm) - 1 1/4" (25 mm)
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 | |||||
|---|---|---|---|---|---|---|
| 40.640.03 |  short, 90.00 mm Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
|
|
Accessory |
| Clamping Ø D1 [mm] | 4 |
|---|---|
| Ø D2 [mm] | 10 |
| Ø D3 [mm] | - |
| L [mm] | 12 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.04 |  short, 90.00 mm Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
|
|
Accessory |
| Clamping Ø D1 [mm] | 5 |
|---|---|
| Ø D2 [mm] | 10 |
| Ø D3 [mm] | - |
| L [mm] | 15 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.05 |  short, 90.00 mm Without back-up screw, without threads for balancing screws, with slits along the clamping bore for cooling from outside |
|
|
Accessory |
| Clamping Ø D1 [mm] | 6 |
|---|---|
| Ø D2 [mm] | 21 |
| Ø D3 [mm] | 27 |
| L [mm] | 36 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.06.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 8 |
|---|---|
| Ø D2 [mm] | 21 |
| Ø D3 [mm] | 27 |
| L [mm] | 36 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.08.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 10 |
|---|---|
| Ø D2 [mm] | 24 |
| Ø D3 [mm] | 32 |
| L [mm] | 42 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.10.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 12 |
|---|---|
| Ø D2 [mm] | 24 |
| Ø D3 [mm] | 32 |
| L [mm] | 47 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.12.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 14 |
|---|---|
| Ø D2 [mm] | 27 |
| Ø D3 [mm] | 34 |
| L [mm] | 47 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.14.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 16 |
|---|---|
| Ø D2 [mm] | 27 |
| Ø D3 [mm] | 34 |
| L [mm] | 50 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.16.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 20 |
|---|---|
| Ø D2 [mm] | 33 |
| Ø D3 [mm] | 42 |
| L [mm] | 52 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.20.2 |  short, 90.00 mm |
|
|
Accessory |
| Clamping Ø D1 [mm] | 25 |
|---|---|
| Ø D2 [mm] | 44 |
| Ø D3 [mm] | 53 |
| L [mm] | 58 |
| Order No. | Gage length A in mm | |||||
|---|---|---|---|---|---|---|
| 40.640.25.2 |  short, 100.00 mm |
|
|
Accessory |
