124mm Reducer Sleeve MK4 to MK2 Hardened Ground DIN 2185 - TECWERK

Combining DIN 2185 conformity with a fully hardened and ground finish and a compact 124 mm overall length, this reducing sleeve delivers precise taper adaptation with low runout and long service life. Order the component directly via Metav Werkzeuge or consult our specialists for compatibility advice.

Reducing Sleeve DIN 2185 MK4→MK2, hardened and ground — TECWERK

A Reducing Sleeve DIN 2185 MK4→MK2 for adapting tools with Morse taper, hardened and ground to ensure accurate seating and repeatable clamping.

• DIN 2185 standard compliance
• Hardened and ground inside/outside
• Adapts MT4 to MT2 Morse taper

Precise taper adaptation for consistent machining results

The Reducing Sleeve DIN 2185 MK4→MK2 is designed to provide high precision in tool holding by following the DIN 2185 specification. The inner and outer surfaces are hardened and ground, so the sleeve seats with minimal radial play and reduced runout. That improved concentricity is translated into more consistent cuts, fewer rejects and less rework. The functional geometry of the taper is retained by the finish process, which helps maintain accurate alignment between spindle and tool during operation.

Versatile compatibility that simplifies workshop logistics

This taper adapter enables straightforward Morse taper matching between an MT4 external spindle interface and an MT2 internal tool shank. The adapter's compatibility reduces the need for multiple specialised holders and shortens changeover times, helping to streamline production flows. For users less familiar with tapers: a Morse taper is a self-locking conical connection used to mount tools or arbors; this sleeve converts one Morse size to another while keeping the mechanical fit tight and reliable.

Durability and repeatability for daily industrial use

The combination of full hardening and precision grinding delivers enhanced durability and long-term repeatability, so the seating surfaces resist wear and preserve accuracy over many cycles. The adapter's overall length of 124 mm offers a balance of reach and rigidity, helping to stabilise mounted tools without unnecessary overhang. As a result, maintenance intervals can be extended and tool-runout checks will remain within expected tolerances for longer, supporting uninterrupted workshop performance.

For dependable taper conversion choose the TECWERK reducing sleeve supplied via Metav Werkzeuge — contact Metav Werkzeuge in Emmerich for technical guidance and supply at info@metav-werkzeuge.com or +49 2822 7131930

Technical Data

• Article number: 2000832356NW
• Label: Reduzierhülse DIN 2185 MK4xMK2 geh.u.geschl.TECWERK
• Manufacturer: TECWERK

Facts

• Overall length: 124 mm
• Internal taper: MK2
• External taper: MK4
• Packaging unit: 1

Special features

• DIN 2185
• Hardened and ground inside and outside
• For tools with Morse taper
• Execution: hardened and ground

FAQ

What does compliance with DIN 2185 mean for this adapter?
Compliance with DIN 2185 means the adapter's taper dimensions and tolerances are manufactured to an established German standard, ensuring interchangeability and predictable seating characteristics for taper connections.

Which taper sizes are connected by this sleeve?
The sleeve connects an external MT4 interface to an internal MT2 shank, facilitating the use of MT2 tooling in MT4 spindles while maintaining the mechanical fit required for reliable machining.

How does the hardened and ground finish improve performance?
Hardened and ground surfaces reduce wear and preserve seating accuracy, which lowers runout and supports repeatable clamping; this increases the service life of both sleeve and mounted tools.

Why is the overall length relevant for machining stability?
The 124 mm overall length provides a compromise between reach and rigidity: sufficient length for many setups while limiting overhang that can amplify vibration and deflection during cutting.

How is the product delivered and identified?
The adapter is supplied as a single unit (packaging unit 1) and can be identified by article number 2000832356NW.

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