NT-40 ER25 Collet Chuck Set With Collets, 15-Piece — Vertex

Combine the ER-25 collet system and NT-40 taper for consistent, repeatable toolholding; choose the V-226 set for compact integration and reliable workshop performance. Order the collet set directly via Metav Werkzeuge or ask our consultants for tailored advice.

Collet set V-226 — ER-25 collet system with NT-40 taper (Vertex)

The Collet set V-226 is a collet and chuck set designed for NT-40 taper toolholders, delivering stable clamping and straightforward integration into standard machining setups.

• ER-25 collet system compatibility
• NT-40 taper shank for secure mounting
• Precision toolholding for workshop use

Consistent clamping for reliable machining

The ER-25 configuration provides a uniform clamping range that supports accurate concentricity and precision across repeated setups. The collar-and-nut style of the system ensures radial force is distributed evenly, which reduces wobble and improves surface quality during milling or drilling operations. For production environments, this consistency translates into fewer rejects and more predictable process outcomes.

Stable interface with NT-40 taper spindles

Using the NT-40 taper as the interface guarantees a rigid mechanical connection to the spindle, improving torque transmission and reducing risk of slippage under load. The combination of taper and collet creates a compact, concentric assembly that benefits both manual tool changes and automated toolchangers. Improved mechanical stability supports longer uninterrupted runs and steadier machining results.

Simple compatibility and integration

The toolholding configuration suits common machining centres and compact CNCs that accept NT-40 tapers, allowing quick adoption without extensive adapter inventories. The ER series design works with a broad range of cutter shank diameters, making this solution flexible for workshops that handle varied tasks but prefer a single collet standard for stock management and set-up efficiency.

Why accurate toolholding reduces cost and rework

A secure, low-runout clamping system reduces vibrations and micro-movements at the cutter tip, directly influencing tool life and finish quality. Less variation in tool position means fewer measurement checks and shorter cycle-time variability. Over time, these effects improve throughput and lower per-part costs while maintaining the tight tolerances required in precision machining.

Operational advantages and maintenance considerations

The modular nature of the collet system simplifies replacement of wear parts and routine inspection; cleaning debris from the taper and collet bore prevents scoring and preserves clamping accuracy. Lightweight handling and compact dimensions make the assembly practical for busy shop floors. The set’s balance between rigidity and versatility supports both intermittent and continuous machining tasks.

Suitable applications and typical use cases

Ideal for shops performing milling, drilling and reaming operations where repeatability and quick tool changes are important. The system suits both one-off prototyping and small-batch production, offering a practical compromise between universal holders and specialized shrink-fit tooling. As a Vertex product, the set aligns with standard workshop practices and established toolholding strategies.

For dependable ER-25 toolholding from Vertex, contact Metav Werkzeuge in Emmerich to arrange purchase or technical advice — Metav Werkzeuge provides local stock and application guidance via email info@metav-werkzeuge.com or by phone at +49 2822 7131930.

Technical Data

• Article number: V-226
• GTIN: 4061905095801
• Manufacturer: Vertex

Facts

• Taper: NT-40
• Collet type: ER-25
• Weight: 3 kg

Special features

• Set configuration: yes
• Pieces per set: 15
• Category: Vertex

FAQ

What taper does this collet set use?
The collet set V-226 uses an NT-40 taper as the spindle interface, providing a rigid connection suitable for many machining centres.

Which collet standard is included in the set?
The set is based on the ER-25 collet standard, offering a versatile clamping range for common cutter shank sizes.

Is the V-226 suitable for CNC machining?
Yes, the V-226 from Vertex is suitable for CNC applications where NT-40 spindles are used and consistent toolholding is required.

How does the collet design affect finish and tool life?
Uniform clamping with the ER-25 system reduces runout and vibration, which improves surface finish and can extend tool life under stable cutting conditions.

Can the set be integrated into existing toolholder inventories?
The ER-25/NT-40 combination is compatible with standard NT-40 toolholders, facilitating integration into typical workshop inventories.

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