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Drill chuck 7656 40 1-13 MAS 403-BT
Net price: €47.37
Description
Technical data for the BT40 1-13 mm drill chuck
| Technical data | |
|---|---|
| Taper Mount | BT40 |
| Drill Clamping Range d1 | from Ø1 to Ø13 mm |
| Distance A | 98 mm |
| Diameter D | 50 mm |

Self-clamping drill chuck 1-13 mm BT40 – a universal standard for machining centers
The 1-13 mm self-clamping drill chuck with a BT40 mount offers the most popular diameter range in professional toolrooms and production departments. The interface complies with MAS-403 (JIS B 6339-2), guaranteeing compatibility with Japanese machining centers, while minimal axial runout of 0.04 mm at a distance of 55 mm from the jaws provides the precision required for machining critical components. The Balance Taper system combines low weight with high connection rigidity.
Why choose the BT40 1-13 mm self-clamping chuck
- Universal clamping range from 1 to 13 mm – covers 95 percent of standard drills used in industry, from precision micro-holes to typical diameters
- Japanese BT40 interface according to MAS-403 – full compatibility with Mazak, Okuma, and Mori Seiki machining centers and practical interchangeability with the European SK40 taper
- Runout of 0.04 mm at a measurement point of 55 mm – precision grade that extends drill life and eliminates hole positioning errors
- Keyless tool changes – the self-clamping mechanism reduces setup time and eliminates the risk of losing chuck keys
- Reinforced design for speeds up to 12 000 rpm – stable clamping at high spindle speeds with torque transmission of up to 125 Nm
The 1-13 mm range is the choice of specialists who prefer a standard, proven tooling format. The drill chuck for CNC milling machines with the BT40 system performs well in series production of precision parts, where repeatability and fast changes are essential. The reduced design weight lowers spindle bearing loads without compromising rigidity. Choose a solution trusted by thousands of workshops worldwide.
Frequently asked questions
Most industrial drilling operations use diameters up to 13 mm. This range covers standard workshop needs, is lighter, and offers better rigidity in typical applications than versions with a wider range.
The BT40 standard is practically interchangeable with the European SK40 – both use the same 7:24 taper angle. However, check the spindle specifications before purchasing, as subtle design differences may exist between manufacturers.
The system clamps all standard HSS, HSSE, and solid carbide (VHM) drills with diameters from 1 mm to 13 mm. This includes both precision micro-drills and typical workshop diameters used in steels, aluminum, and plastics.
Product accessories
Set of metal drill bits 1-13 HSSE Inox DIN 338
Reference: 0000005480 In stock > 10 items
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Set of metal drill bits 1-10 HSSE Inox DIN 338
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€30.75 brutto
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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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