Strong KD Series 3 Jaw Direct Mounting Lathe Chucks
Product overview
About this machine.
Auto Strong is the flagship brand of Taiwan's Di Chun Iron Work Co. Ltd. a precision engineering company founded in 1974. In 1992, Di Chun launched the Auto Strong brand symbolizing strength and accuracy "like an eagle's claw" to reflect its focus on high-performance and reliability. Today, Auto Strong is a global supplier of advanced workholding solutions, producing a wide range of chucks and accessories including power chucks, collet chucks, hydraulic cylinders, scroll chucks, and both soft and hard jaws. They also develop special purpose chucks tailored for demanding industrial applications. With ISO and CE certifications, Auto Strong emphasizes innovation, research, and continuous improvement in manufacturing. The company also invests heavily in its people, fostering specialist training, teamwork, and shared rewards. By combining technical excellence with a strong culture of reliability and service, Auto Strong has earned a trusted position in the global machine tool equipment industry.
The Auto Strong KD Series of 3-jaw direct mounting chucks delivers strength, accuracy, and convenience for a wide range of turning applications. Designed for direct spindle mounting, these chucks provide excellent rigidity, reduced runout, and quick installation without the need for an intermediate backplate. The self centering 3-jaw system ensures rapid, precise clamping with consistent repeatability. Each chuck is equipped with bolt on reversible jaws, offering maximum flexibility for different workholding needs. In addition, we can supply bolt on soft jaws, making the KD Series a versatile solution for handling a wide variety of workpieces with confidence. Built to Auto Strong's high manufacturing standards, the KD Series combines durability, strong gripping power, and ease of operation, making it a trusted choice for both workshop and production environments.
Features:
- Direct mounting with camlock pins for secure spindle connection
- Self centering 3-jaw mechanism for quick and precise clamping
- Bolt on type reversible jaws for flexible workholding
- Optional soft jaws available for custom applications
- Gripping accuracy of 0.03 mm TIR
- High quality construction to Auto Strong standards
- High durability Meehanite cast iron body for strength and longevity
- Strong gripping power and excellent repeatability
- Suitable for both production and general workshop use
- Available in a wide range of sizes to suit different machine tools
Optional :
- Soft jaw set
Published data
Specifications
Scroll horizontally to compare models or capacities. Use these to shortlist. We’ll confirm the specification and configuration against the application.| Chuck | Spindle | Diameter | A | B = Bore | H | J | K | Max RPM | Price excl GST |
|---|---|---|---|---|---|---|---|---|---|
| Model | Mount | mm | mm | mm | mm | mm | mm | rpm | |
| KD4-8" | D1-4 | 200 | 77 | 46 | 82 | 28 | 42 | 2,000 | $1,370.00 |
| KD6-8" | D1-6 | 200 | 77 | 58 | 82 | 28 | 42 | 2,000 | $1,450.00 |
| KD6-10" | D1-6 | 250 | 86 | 76 | 96 | 32 | 50 | 1,800 | $2,220.00 |
| KD6-12" | D1-6 | 306 | 107 | 103 | 114 | 40 | 57 | 1,800 | POA |
| KD8-10" | D1-8 | 250 | 86 | 80 | 96 | 32 | 50 | 1,800 | $2,225.00 |
| KD8-12" | D1-8 | 306 | 107 | 103 | 114 | 40 | 57 | 1,800 | $3,290.00 |
| Range | Range | Allowable | Gripping | ||||||
| OD | ID | F1 | F2 | F3 | F4 | Weight | Handle | Force | |
| mm | mm | mm | mm | mm | mm | kg | Torque | (kgf) | |
| KD4-8" | 8-180 | 62-170 | 18 | 11.5 | 3,600 | ||||
| KD6-8" | 8-180 | 62-170 | 106.3 | 16 | 22 | 133.35 | 17 | 11.5 | 3,600 |
| KD6-10" | 11-220 | 70-210 | 106.3 | 16 | 22 | 133.35 | 29.5 | 19.5 | 4,800 |
| KD6-12" | 15-300 | 90-290 | 106.3 | 16 | 22 | 133.35 | 47 | 21 | 5,700 |
| KD8-10" | 11-220 | 70-210 | 139.7 | 18 | 25.4 | 171.45 | 27 | 19.5 | 4,800 |
| KD8-12" | 15-300 | 90-290 | 139.7 | 18 | 25.4 | 171.45 | 47 | 21 | 5,700 |