Strong KD Series 3 Jaw Direct Mounting Lathe Chucks

Name: Strong KD Series 3 Jaw Direct Mounting Lathe Chucks
Brand: Strong
SKU: WEB-STRONG KD

Self centering bolt on type jaws, Camlock mounting

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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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.

Specifications for Strong KD Series
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