71mm Reduction Bushing Form 1, Bore Ø10mm, OD 40mm Hardened and Ground - TECWERK

Take advantage of a hardened, ground adapter that secures a 10 mm drill shank in a Ø40 mm holder with a 71 mm clamping length for reliable tool retention and consistent runout; order via Metav Werkzeuge or request technical advice from the Metav team for integration into existing setups

Reducing bushing Form 1 – Ø10 mm to Ø40 mm, hardened and ground (TECWERK)

The reducing bushing Form 1 is a hardened, ground adapter designed to seat a 10 mm drill shank in a Ø40 mm holder, primarily for use with Form E 2 drill bar holders.

• Hardened and ground finish for precision fit
• Suitable for Form E 2 drill bar holders
• Inner bore Ø10 mm, outer Ø40 mm
• Clamping length 71 mm

Precision fit for consistent tool alignment

The reducing bushing Form 1 provides a tight, repeatable interface between a small-diameter drill shank and a larger holder, reducing radial runout and improving hole quality. Manufactured for clamping systems that accept Form E 2 adapters, the component’s hardened and ground surfaces ensure the seating face and bore maintain concentricity under load. For workshops where repeatability and minimal rework are priorities, this adapter delivers a measurable improvement in drilling accuracy and machine uptime.

Robust preparation for demanding machining

Thanks to the hardened and ground finish, the sleeve resists wear and preserves the bore geometry under repeated tool changes. The adapter’s geometry — inner Ø10 mm, outer Ø40 mm and clamping length 71 mm — gives sufficient overlap for stable retention while minimising flex. This combination of surface treatment and overlap translates into longer service intervals for both the adapter and the mounted cutting tool, reducing the need for frequent replacements and supporting a cost-effective workflow.

Seamless integration into workshop tooling

Designed for compatibility with drill bar holders classified as Form E 2, the bushing simplifies retrofitting smaller shanks into existing holder inventories. The adapter acts as a reliable interface in production or maintenance environments where flexibility is required without compromising on runout or clamping security. For assembly operations or retrofit projects, the sleeve allows consolidation of holders and shanks, streamlining tooling stock and simplifying changeovers.

How the design benefits operations

The straightforward geometry — inner Ø10 mm, outer Ø40 mm, clamping length 71 mm — makes inspection and replacement easy within routine maintenance schedules. The hardened surfaces reduce deformation during repeated clamping cycles, which preserves concentricity and extends the service life of both holder and small-diameter drills. Where precise hole position and surface finish matter, the adapter supports process reliability and reduces scrap rates.

Contact Metav Werkzeuge for tailored advice on integrating TECWERK reducing bushings into production or to request supplementary technical details; Metav Werkzeuge can be reached by e‑mail at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: 2000834223NW
• Manufacturer: TECWERK
• Type: Reducing bushing
• Form: 1

Core dimensions

• Inner bore d1: 10 mm
• Outer diameter d: 40 mm
• Clamping length L: 71 mm

Special features

• Hardened and ground finish
• For drill bar holders Form E 2
• Single-piece adapter
• Packaging unit: 1

FAQ

What is the primary application of this reducing bushing?
The reducing bushing Form 1 is intended to adapt a Ø10 mm drill shank for mounting in a Ø40 mm holder, commonly used with Form E 2 drill bar holders to improve fit and reduce runout.

Is the bushing suitable for heavy-duty drilling cycles?
The hardened and ground finish of the TECWERK reducing bushing provides enhanced wear resistance and dimensional stability, making it suitable for repetitive use in demanding workshop environments.

How does the clamping length affect tool retention?
The clamping length 71 mm offers sufficient engagement to secure small-diameter shanks reliably, improving retention and concentricity compared with shallow adapters.

Can this adapter be used in automated tool change systems?
As a precision adapter with a hardened, ground bore, the sleeve is compatible with mechanical clamping systems that accept Form E 2 holders; integration depends on the specific machine interface and clamping mechanism.

What identification is used for ordering this part?
Order reference: SKU 2000834223NW; referenced as a TECWERK reducing bushing Form 1 with inner Ø10 mm and outer Ø40 mm

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