Strong SK Heavy Duty Series 3 Jaw 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 SK Series is a high-precision, self-centering 3-jaw scroll chuck line designed for demanding machining applications. Manufactured in Taiwan, these chucks offer exceptional gripping accuracy of 0.03mm (0.0012") T.I.R. ensuring reliable and consistent performance. The SK Series features a durable Meehanite cast iron body, making it suitable for high-speed operations up to 2,000 RPM. The chucks come with two-piece hard jaws that can be used for both internal and external gripping, and optional soft jaws are available for specialized applications. With a wide range of sizes from SK-4 (4" chuck) to SK-16 (16" chuck) the SK Series caters to various workholding needs, from light precision tasks to heavy-duty machining. Whether you're working with CNC lathes or manual machines, the Auto Strong SK Series provides a versatile and reliable solution for your workholding requirements.
Features:
- Heavy duty performance designed to withstand demanding machining tasks, ensuring reliability and longevity.
- Reversible bolt on type jaws equipped with two piece hard jaws that can be used for both internal and external gripping, providing versatility in clamping.
- High quality construction, manufactured with precision to meet stringent quality standards, ensuring consistent performance.
- High durability Meehanite cast iron body enhances the chuck's strength and resistance to wear, making it ideal for high speed operations.
- Gripping Accuracy of 0.03mm (0.0012") T.I.R.: Delivers precise and consistent clamping, critical for high-precision machining tasks.
Optional:
- Soft jaw set (SKC series)
Published data
Specifications
Scroll horizontally to compare models or capacities. Use these to shortlist. We’ll confirm the specification and configuration against the application.| Strong SK type | Diameter A | Body depth B | Recess C | Hole centres D | Bore E | Mounting G | Jaw height K | OD Gripping range | ID Gripping range | Max RPM | Weight | Price Excl GST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SK-6 | 167 | 67 | 130 | 147 | 45 | 3 x M10 | 40 | 3 - 160 | 55 - 150 | 2,000 | 9 kg | $840.00 |
| SK-7 | 192 | 76.5 | 155 | 172 | 58 | 3 x M10 | 43 | 8 - 180 | 62 - 170 | 2,000 | 13.8 kg | $890.00 |
| SK-8 | 200 | 76.5 | 160 | 176 | 58 | 3 x M10 | 43 | 8 - 180 | 62 - 170 | 2,000 | 15.5 kg | $1,085.00 |
| SK-9 | 232 | 84 | 190 | 210 | 70 | 3 x M12 | 50 | 11 - 220 | 70 - 210 | 2,000 | 22 kg | $1,280.00 |
| SK-10 | 273 | 89 | 230 | 250 | 87 | 3 x M12 | 50 | 12 - 260 | 80 - 250 | 1,800 | 29.7 kg | $1,560.00 |
| SK-12 | 310 | 96 | 260 | 285 | 105 | 3 x M12 | 56 | 15 - 300 | 90 - 290 | 1,800 | 43.5 kg | $2,590.00 |
| SK-16 | 405 | 122 | 345 | 375 | 160 | 3 x M14 | 75 | 30 - 400 | 110 - 380 | 1,500 | 98 kg | POA |