112mm Reduction Sleeve MK3 to MK2 Hardened Ground DIN 2185, Fully Hardened - TECWERK

Benefit from a hardened and ground construction combined with DIN 2185 conformity for consistent concentricity and long service life; order the Reducer sleeve DIN 2185 MK3xMK2 directly via Metav Werkzeuge or request compatibility advice from our technical consultants.

Reducer sleeve DIN 2185 MK3xMK2 – hardened, ground adapter (TECWERK)

Reducer sleeve DIN 2185 MK3xMK2 for adapting MK3 spindles to MK2 tools; hardened and ground for secure seating and repeatable concentricity in workshop and industrial machining

• DIN 2185 standardised design
• Fully hardened and ground finish
• Outer taper MK3 – inner taper MK2
• Overall length 112 mm for deep insertion

Durable, standard-compliant construction for stable tool holding

The hardened and ground finish of this adapter ensures a reliable mechanical fit and reduced wear over time. Conformance to DIN 2185 gives a clear, verifiable basis for integration into existing toolholding systems and supports consistent interchangeability across machines. Hardening increases resistance to deformation under clamping loads, while the ground surfaces improve surface contact and reduce micro-movements that can cause increased runout. This combination supports sustained precision in repetitive production tasks and lowers the frequency of rework.

Compact compatibility that simplifies spindle-to-tool transitions

Designed as a spindle reducer from MK3 to MK2, this sleeve provides a straightforward solution for machines that require occasional downgrades in taper size without changing the spindle or toolholder. The internal MK2 and external MK3 tapers are machined to mating tolerances that facilitate safe seating of Morse taper tooling. Workshops benefit from greater flexibility in tooling choices and reduced inventory of dedicated arbors. The adapter’s controlled geometry helps maintain rotational accuracy when using smaller shank tooling in larger spindles.

Measured length and fit improve insertion control and accessibility

With an overall length of 112 mm, the sleeve allows for deeper insertion where tool overhang or reach is required, while maintaining sufficient contact length for secure clamping. The extended length assists in axial alignment during installation and can be particularly advantageous when working with through-spindle coolant or longer tooling assemblies. Clear, measurable dimensions help planning for toolchanger clearances and collision checks, supporting safe integration into automated setups.

Practical benefits for workshop reliability and lifecycle costs

By choosing a hardened, ground adapter made to standards, maintenance intervals can be extended and the risk of taper damage reduced. The robust finish supports repeatable seating, which in turn preserves spindle and tooling condition. For procurement, selecting a standard reducer sleeve minimises the need for bespoke solutions and streamlines spare-part lists. This contributes to predictable uptime and supports the operational reliability demanded by both small workshops and production environments.

Contact Metav Werkzeuge for application guidance or to request a technical compatibility check for the TECWERK reducer sleeve; Metav Werkzeuge can advise on fitment and delivery from Emmerich.

Technical Data

• Article number: 2000832354NW
• Designation: Reducer sleeve DIN 2185 MK3xMK2
• Brand: TECWERK

Data

• Standard: DIN 2185
• Overall length: 112 mm
• Inner taper: MK2
• Outer taper: MK3

Special features

• Hardened and ground inside and out
• Suitable for tools with Morse taper
• Execution: hardened and ground

FAQ

Is this sleeve compatible with all MK3 spindles?
Compatibility depends on spindle tolerance and seating condition; the Reducer sleeve DIN 2185 MK3xMK2 is manufactured to DIN 2185 and fits standard MK3 tapers, but spindle inspection is recommended prior to use.

Can the sleeve be used with Morse taper tooling?
Yes, the adapter is suitable for tools with a Morse taper, providing secure seating when matched with corresponding MK2 tooling.

What is the insertion depth and how does the length affect operation?
The overall length is 112 mm, allowing for deeper insertion and improved axial alignment, which assists with tool reach and stability during machining.

Does the hardened and ground finish reduce runout?
Hardened and ground surfaces enhance contact quality and resist deformation, contributing to lower runout and more consistent rotational accuracy during use.

Which SKU identifies this product for ordering?
Order reference: 2000832354NW (TECWERK reducer sleeve, DIN 2185 MK3xMK2)

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