
Certificate of Quality
- Chuck fine balanced G2.5 at 22.000 rpm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form JD/JF
Your current product selection:

Weldon Tool Holder
JIS B 6339-2 · BT40
Certificate of Quality
- Chuck fine balanced G2.5 at 22.000 rpm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form JD/JF
Weldon Tool Holder
JIS B 6339-2 · BT40
For clamping cutters with cylindrical shank and Weldon flat similar to DIN 1835-B and DIN 6535-HB.
Similar to DIN 6359 with taper JIS B 6339-2 BT40 form JD/JF.
Form JD/JF: interior coolant supply through centre (Form JD) and through the collar (form JF)
- Cooling with Cool Jet for an extra charge
- Extra short design only available in form JD
Technical data subjects to change without prior notice.
Technical drawing

Please select your clamping diameter:
Clamping Ø D1 [mm] | 6 |
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Ø D2 [mm] | 25 |
Order No. | Gage length A in mm | |||||
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40.500.06 | ![]() short, 50.00 mm |
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Accessory | ||
40.501.06 | ![]() long, 100.00 mm |
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Accessory | ||
40.502.06 | ![]() oversize, 160.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 8 |
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Ø D2 [mm] | 28 |
Order No. | Gage length A in mm | |||||
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40.500.08 | ![]() short, 50.00 mm |
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Accessory | ||
40.501.08 | ![]() long, 100.00 mm |
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Accessory | ||
40.502.08 | ![]() oversize, 160.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 10 |
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Ø D2 [mm] | 35 |
Order No. | Gage length A in mm | |||||
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40.500.10 | ![]() short, 63.00 mm |
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Accessory | ||
40.501.10 | ![]() long, 100.00 mm |
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Accessory | ||
40.502.10 | ![]() oversize, 160.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 12 |
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Ø D2 [mm] | 42 |
Order No. | Gage length A in mm | |||||
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40.500.12 | ![]() short, 63.00 mm |
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Accessory | ||
40.501.12 | ![]() long, 100.00 mm |
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Accessory | ||
40.502.12 | ![]() oversize, 160.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 14 |
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Ø D2 [mm] | 44 |
Order No. | Gage length A in mm | |||||
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40.500.14 | ![]() short, 63.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 16 |
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Ø D2 [mm] ultrashort | 48 |
Ø D2 [mm] | 48 |
Order No. | Gage length A in mm | |||||
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40.505.16 | ![]() ultra short, 35.00 mm |
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Accessory | ||
40.500.16 | ![]() short, 63.00 mm |
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Accessory | ||
40.501.16 | ![]() long, 100.00 mm |
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Accessory | ||
40.502.16 | ![]() oversize, 160.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 18 |
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Ø D2 [mm] ultra short | 50 |
Ø D2 [mm] | 50 |
Order No. | Gage length A in mm | |||||
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40.505.18 | ![]() ultra short, 35.00 mm |
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Accessory | ||
40.500.18 | ![]() short, 63.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 20 |
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Ø D2 [mm] ultra short | 52 |
Ø D2 [mm] | 52 |
Order No. | Gage length A in mm | |||||
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40.505.20 | ![]() ultra short, 35.00 mm |
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Accessory | ||
40.500.20 | ![]() short, 63.00 mm |
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Accessory | ||
40.501.20 | ![]() long, 100.00 mm |
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Accessory | ||
40.502.20 | ![]() oversize, 160.00 mm |
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Accessory |