Strong SK Heavy Duty Series 3 Jaw Lathe Chucks

Name: Strong SK Heavy Duty Series 3 Jaw Lathe Chucks
Brand: Strong
SKU: WEB-STRONG SK

Self centering, Reversible bolt on type jaws

POA Configured to suit your application. Talk to us for a price.

NZ Prepared, installed and supported nationwide by Scott Machinery.

NZ owned Since 1989

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Auckland + Christchurch Two support hubs

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Parts & accessories Large local range

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

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Specifications for Strong SK Heavy Duty Series
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