500mm Independent Four-Jaw Chuck With 4-M20 T-Slots, 350 rpm - Vertex

Take advantage of precise, independent clamping combined with a large 500 mm diameter and durable 105 kg construction for steady turning of irregular and heavy workpieces. Order the chuck directly via Metav Werkzeuge or consult the Metav team for specification support and supply from Emmerich.

VKC-20 four-jaw independent chuck, 500 mm, Vertex

The VKC-20 is a four-jaw independent chuck designed for secure clamping of irregular and heavy workpieces in medium-speed turning applications

• Independent four-jaw clamping for irregular parts
• 500 mm diameter for large workpieces
• Rated speed 350 r.p.m. for medium-speed turning
• 105 kg robust build with 4 M20 T-nuts

Secure, flexible clamping for irregular components

Independent jaw operation allows each jaw to be set individually, making the chuck especially suited to non-cylindrical or off-centre components. The four-jaw independent chuck design delivers stable seating and improved access to workpiece faces, which reduces the need for subsequent rework. For production scenarios where part geometry varies, this flexibility shortens setup time and supports consistent process flow while maintaining grip force where it is needed.

Performance under load with controlled rotational speed

With a rated speed of 350 r.p.m., the chuck balances rotational stability and cutting performance for a wide range of turning tasks. The combination of considerable clamping surface and moderate permitted speed helps to keep vibration low and surface finish high, particularly on large-diameter jobs. Emphasis on repeatability ensures that once a clamp setting is established, multiple successive parts retain the same reference relationship, aiding both quality control and throughput.

Heavy-duty construction and secure mounting

The substantial 105 kg mass of the unit, paired with a compact mounting pattern using 4 M20 T-nuts, contributes to mechanical rigidity and reliable attachment to the lathe face. A heavier chuck reduces susceptibility to deflection when machining robust workpieces, improving dimensional accuracy and tool life. The T-nut arrangement supports a secure bolted connection to the machine spindle or adaptor plate, simplifying integration into existing setups without compromise on stability.

Suitable applications and the Metav advantage

The chuck is appropriate for repair shops, jobbing lathes and light production lines where large, irregular or heavy workpieces are common. The design supports turning of varied geometries and materials where fixed three-jaw solutions are insufficient. Metav stands for the democratisation of precision: the distribution from Emmerich functions as a quality filter for the European market, combining technical expertise and logistics to supply reliable metrology and workshop equipment to industry and trade.

Arrange supply and technical consultation through Metav Werkzeuge for tailored specification and rapid fulfilment from Emmerich – Metav’s advisors can confirm compatibility with the intended machine and process.

Technical data

• Article number: VKC-20
• GTIN: 4061905086335
• Brand: Vertex

Facts

• Diameter: 500 mm
• Maximum speed: 350 r.p.m.
• Weight: 105 kg

Special features

• Four-jaw independent design
• T-nuts: 4-M20
• Category: Vertex

FAQ

What is the chuck diameter?
The VKC-20 four-jaw independent chuck is specified with a 500 mm diameter for handling large workpieces.

What rotational speed is permitted?
The VKC-20 is rated to operate at 350 r.p.m., suitable for medium-speed turning tasks.

How is the chuck mounted to the lathe?
Mounting is effected using the supplied 4-M20 T-nut pattern for a secure bolted connection to the machine face.

Which workpieces are best suited to this chuck?
The VKC-20 is intended for irregular, heavy or large components where independent jaw adjustment improves clamping and process stability.

Manufacturer: Vertex Machinery Works Co., Ltd.; No. 296, Sec. 1, Feng Shih Road, Fengyuan District, Taichung City 420, Taiwan