164mm Morse Taper MT4 Tapered Arbor Hardened And Ground With Drill Chuck Taper DIN 238 - TECWERK

Take advantage of the hardened and ground construction together with a DIN 238 drill‑chuck taper for reliable chuck retention and long service life; the compact MT4 to B18 taper interface ensures straightforward integration into existing machine spindles. Order directly via Metav Werkzeuge or contact our advisors for compatibility guidance.

Morse taper mandrel MT4 → B18 — hardened and ground, DIN 238 drill‑chuck taper (TECWERK)

The Morse taper mandrel MT4 to B18 forms a precision interface for mounting drill chucks on drilling and turning machines, combining standardised taper geometry with a hardened, ground finish for consistent performance

• Morse taper MT4 shank
• DIN 238 drill‑chuck taper
• Hardened and ground finish
• 164 mm overall length

Secure chuck mounting that keeps tools concentric

The tapered interface delivers a precise mechanical fit, reducing run‑out and improving hole quality when using a mounted chuck. Fitted to a standard MT4 shank and finished to the DIN 238 drill‑chuck taper, this mandrel provides a repeatable connection between spindle and accessory. The result is consistent concentricity, which directly affects drilling accuracy and tool life; the hardened and ground surface minimises wear on both the mandrel and the mounted chuck, preserving alignment over many cycles.

Robust construction for continuous workshop use

Manufactured with a hardened and ground execution, the mandrel resists deformation and surface fatigue under regular load. The tough finish lowers the risk of fretting and galling where taper meets taper, extending the service interval of both accessory and spindle. For production environments and maintenance shops alike, that durability translates into predictable uptime and fewer interruptions for re‑alignment or replacement, supporting a smoother workflow on machining centres and bench machines.

Clear compatibility and easy integration

Engineered to accept drill chucks via the DIN 238 taper and to seat in an MT4 spindle, the component simplifies tool changeovers in mixed‑equipment shops. The male B18 fitting matches common spindle sockets, and the 164 mm overall length provides sufficient engagement without excessive overhang. For users unfamiliar with taper nomenclature: MT4 refers to Morse taper size 4, a widely adopted standard; DIN 238 specifies the drill‑chuck arbor form used to secure chucks by taper seating. This clarity helps reduce selection errors and ensures the mandrel integrates with existing tooling.

Practical benefits for purchasing and workshop management

Choosing a hardened taper mandrel reduces the need for frequent replacements and supports predictable process outcomes—an economic advantage over time for high‑volume or precision work. The standardised interfaces mean spare parts and mounted chucks remain interchangeable across machines, simplifying stockkeeping and reducing the variety of components in the toolroom. Where installation or fitment questions arise, Metav Werkzeuge’s product information and technical team can advise on compatibility and best practice for mounting and maintenance.

For reliable chuck retention and long service life, order the TECWERK MT4→B18 taper mandrel via Metav Werkzeuge or contact Metav Werkzeuge’s advisors at info@metav-werkzeuge.com / +49 2822 7131930 to confirm fitment and application suitability

Technical data

• SKU: 2000832348NW
• Standard: DIN 238
• Brand: TECWERK
• Product type: Taper mandrel

Facts

• Overall length: 164 mm
• Packaging unit: 1

Special features

• Morse taper: MT4
• Spindle fitting: B18
• Drill‑chuck taper: DIN 238
• Execution: hardened and ground
• Application: for mounting drill chucks on drilling and turning machines

FAQ

What spindles is the mandrel compatible with?
The mandrel is designed to seat in an MT4 taper and to accept a drill chuck via the DIN 238 drill‑chuck taper; compatibility should be checked against the machine spindle and chuck arbor dimensions.

Is the mandrel suitable for heavy production use?
Yes, the hardened and ground execution provides enhanced wear resistance, making the mandrel suitable for regular workshop and light production environments.

How does DIN 238 affect chuck selection?
DIN 238 defines the taper form for drill chucks; selecting a chuck with a matching DIN 238 arbor ensures a secure, concentric fit when mounted on the mandrel.

Can the mandrel reduce run‑out compared with non‑taper adapters?
A precision tapered seat such as MT4, when properly fitted, offers improved concentricity and repeatability compared with loose or improvised adapters, resulting in lower run‑out.

Which SKU identifies this item for ordering?
This item is listed under SKU 2000832348NW and is the TECWERK taper mandrel MT4→B18 designed for DIN 238 drill‑chuck seating.

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