ER-40 Collet Chuck 40mm R8 Shank With R8 Adapter - Vertex

Take advantage of the combination of secure ER-40 clamping, proven R8 shank compatibility and compact handling to keep production running smoothly; order the tool directly via Metav Werkzeuge or consult the Metav team for application-specific advice.

V-303 collet chuck (R8 shank) by Vertex — ER-40 clamping, compact and robust

The V-303 collet chuck is a precision toolholder designed to deliver consistent clamping performance for milling operations with R8 spindles.

• ER-40 collet system for secure clamping
• R8 shank compatibility with milling spindles
• Robust, compact design for stable machining
• Lightweight at 1.3 kg for easy handling

Consistent clamping that reduces runout and rework

The ER-40 system provides a wide clamping range with uniform grip, ensuring minimal radial runout and steady tool engagement. By relying on a standardised collet interface, the chuck supports repeatable mounting of cutters and tooling, which reduces set-up time and lowers the risk of part rejection. The emphasis on precision and concentricity contributes to improved surface finish and prolonged cutter life, representing a clear efficiency gain in routine production.

R8 shank for reliable spindle integration and rigidity

An R8 shank delivers a direct mechanical interface with many milling machines, improving torque transmission and axial stability compared with adaptors or loose fittings. The R8 mounting secures the holder in the spindle taper and, combined with the ER-40 clamping mechanism, ensures consistent axial conformity under load. This configuration increases machining stability, which is particularly beneficial for finish operations and for maintaining tight dimensional tolerances.

Practical workshop benefits: handling, maintenance and inventory

The compact design and modest mass of 1.3 kg simplify handling during set-up and storage, while the proven build quality from Vertex reduces the need for frequent replacement. The straightforward construction allows for routine inspection and cleaning without specialised equipment; simple debris removal and occasional lubrication keep the system serviceable. As a standardised toolholder, it also simplifies inventory management and toolpool compatibility across multiple machines.

Choose the Vertex V-303 collet chuck for secure ER-40 clamping; contact Metav Werkzeuge in Emmerich for tailored advice and reliable supply

Technical data

• Article number: V-303
• GTIN: 4061905090653
• Manufacturer: Vertex
• ECLASS: 21020405

Core data

• Weight: 1.3 kg
• Collet type: ER-40
• Shank: R8

Features

• SKU: V-303
• Image filename: V-301-main.png
• Category: Vertex

FAQ

What collet system does the chuck use?
The V-303 uses the ER-40 collet system, which permits a wide clamping range and standardised tooling interfaces for repeatable results.

Is the chuck compatible with R8 spindles?
Yes, the V-303 is supplied with an R8 shank and is intended for direct mounting in milling spindles that accept R8 tapers.

How much does the collet chuck weigh?
The Vertex V-303 has a mass of 1.3 kg, which facilitates easy handling and mounting during machine set-up.

Can the V-303 reduce machining runout?
When paired with properly prepared collets and correct mounting, the V-303 collet chuck improves concentricity and helps to minimise radial runout for consistent part quality.

Is the V-303 suitable for a standard workshop toolpool?
As a Vertex collet chuck with ER-40 compatibility, the V-303 is well suited for workshop environments that use standardised collet tooling and require reliable, repeatable clamping.

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