40mm Taper Sleeve MK4 For Toolholder With Ejector Screw, Cylindrical Shank - TECWERK

Take advantage of a compact conversion sleeve that combines reliable MT4 clamping with a 40 mm cylindrical bore and an integrated ejection screw for efficient tool changes. Order the sleeve directly via Metav Werkzeuge or ask our consultants for application advice.

Morse taper sleeve for steel holder head B — MT4, 40 mm, TECWERK

Morse taper sleeve for steel holder head B designed as a conversion sleeve for interchangeable holders with a 40 mm cylindrical bore; ideal for secure clamping in lathe and turning tool setups.

• MT4 Morse taper for reliable clamping
• 40 mm cylindrical bore for interchangeable holders
• Integrated ejection screw for fast removal
• Compatible with steel holder head B

Secure connection for consistent machining

A robust Morse taper interface provides a vibration-resistant seating that maintains concentricity during cutting operations. The MT4 specification ensures compatibility with standard Morse taper spindles and toolholders, while the 40 mm cylindrical bore adapts the holder to a wide range of interchangeable systems. This combination reduces runout and helps to keep cutting forces stable, which in turn improves surface finish and tool life. The design is particularly suited to production-focused workshops that require repeatable results without lengthy setup times.

Faster tool changes and straightforward maintenance

The sleeve features an ejection screw, allowing quick and safe removal from the holder without hammering or improvised tools. The presence of the ejection mechanism shortens changeover times and simplifies maintenance routines, supporting higher machine uptime. The conversion sleeve’s straightforward geometry makes inspection and cleaning uncomplicated; any routine check can be carried out with standard measuring gauges to verify taper seating and bore condition. These practical advantages translate into measurable productivity gains on the shop floor.

Versatile retrofit for steel holder head B applications

Engineered for use with steel holder head B, the conversion sleeve adapts existing holders to accept interchangeable tooling with a cylindrical bore. The adaptor function lets workshops standardise on a single spindle taper while keeping a variety of toolholders in service. Where tool flexibility and quick reconfiguration are priorities, the conversion sleeve acts as a compact and durable solution to expand capability without extensive retooling. Compatibility and ease of integration make it a pragmatic choice for both repair and upgrade scenarios.

Contact Metav Werkzeuge for precise retrofit guidance on this TECWERK conversion sleeve — email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss suitability for specific holder combinations

Technical data

• Article number: 2000832178NW
• Label: Morse taper sleeve for steel holder head B MT4 AD 40mm TECWERK
• Brand: TECWERK
• Packaging unit: 1

Facts

• Shaft execution: MT4
• Diameter (d): 40 mm
• Bore diameter: 0 mm
• Packaging unit: 1

Design and special features

• For interchangeable holders with cylindrical bore
• With ejection screw
• Compatible with interchangeable holder
• Suitable for steel holder head B
• Intended for MT4 taper

FAQ

What machines is this sleeve compatible with?
The TECWERK Morse taper sleeve is designed for MT4 taper systems and for use with steel holder head B; compatibility depends on matching the machine spindle or holder taper to MT4.

How does the ejection screw work and why is it useful?
The integrated ejection screw enables safe removal of the sleeve from the holder without impact, facilitating faster tool changes and reducing wear on the taper seating.

Can this sleeve adapt existing holders to cylindrical-bore interchangeable tooling?
Yes, the conversion function allows interchangeable holders with a cylindrical bore to be used where an MT4 taper seating is required, supporting flexible tool setups.

Is this product suitable for heavy-duty turning operations?
The MT4 taper and solid design provide a reliable clamping interface for many turning tasks; assessment of specific cutting parameters and toolholder combinations is recommended.

What is the article number for ordering or reference?
The article number is 2000832178NW and should be quoted when enquiring about the TECWERK conversion sleeve.

Manufacturer / Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund