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Description
Technical data for the BT40 1-16 mm drill chuck
| Technical data | |
|---|---|
| Taper Mount | BT40 |
| Drill Clamping Range d1 | from Ø1.0 to Ø16.0 mm |
| Distance A | 125 mm |
| Diameter D | 54 mm |
Self-clamping drill chuck 1-16 mm BT40
Professional BT40 self-clamping drill chuck with an interface compliant with MAS-403 (JIS B 6339-2), designed for machining centers from Asian manufacturers. The Balance Taper system features a lightweight design with full rigidity, while axial runout not exceeding 0.04 mm, measured 55 mm from the tip, ensures the highest drilling precision. The wide clamping range of 1-16 mm meets the requirements of professional industrial workshops.
Key advantages of the professional BT40 chuck for machining centers
- Japanese MAS-403 standard compliant with JIS B 6339-2 – BT40 interface compatible with Mazak, Mori Seiki, and Okuma machines, practically interchangeable with the SK40 taper
- Precision axial runout of up to 0.04 mm at a point 55 mm from the chuck opening – professional grade guaranteeing hole accuracy and long tool life
- Optimized design with reduced weight – the shorter taper reduces spindle bearing loads while transmitting torque of up to 125 Nm
- Keyless self-clamping system – eliminates downtime associated with tool changes and increases productivity in repetitive operations
- Versatile clamping range of 1-16 mm – accommodates both small precision drills and standard tools for machining metals and plastics
This drill chuck for CNC milling machines with a BT40 mount is chosen by manufacturing facilities using Asian machine tools and requiring a lightweight, rigid tool interface. Mounting via a pair of drive keys ensures reliable power transmission at speeds reaching 12 000 rpm. Choose the Japanese quality standard – improve your production accuracy and speed.
Frequently asked questions
Both interfaces use the same 7:24 taper angle, but BT40, based on the Japanese MAS-403 standard, has a shorter taper and lower weight. SK40 follows the European DIN 69871-A standard. In industrial conditions, they are generally interchangeable.
The BT40 mount is designed for Japanese-made machining centers: Mazak, Mori Seiki, Okuma, Makino, and other Asian machines. The system is also gaining popularity in the European and American markets.
Absolutely – the self-clamping mechanism enables rapid changes without keys. Runout of 0.04 mm and stable clamping guarantee dimensional repeatability over extended production runs.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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