115mm Tool Extension DIN 377 4-Sq 5.5mm Zinc, Square DIN 10 / ISO - TECWERK

Take advantage of the combination of DIN 377 compliance, a corrosion-resistant zinc finish and a 115 mm overall length to extend reach and improve manual tapping reliability; order directly via Metav Werkzeuge or consult our specialists for suitability.

Tool Extension DIN 377 4-square 5.5 mm M9–10 – TECWERK

A Tool Extension DIN 377 4-square 5.5 mm M9–10 designed to extend reach for hand taps and hand reamers in confined or recessed work areas

• DIN 377 compatibility for standard fitting
• Zinc material with zinc-plated finish
• 115 mm overall length for extended reach
• Four-square shank to DIN 10 / ISO for positive drive

Reliable standard compliance for predictable results

The DIN 377 specification ensures a standardised interface for manual tapping accessories, so the extension integrates seamlessly with recognised tap geometries. Manufactured from zinc and finished zinc-plated, the component resists surface corrosion and maintains fit accuracy over repeated use. With an overall length of 115 mm, the extension offers additional reach to access deep or recessed threads without resorting to improvised solutions, supporting a smoother workflow and fewer tool changes.

Secure torque transmission for safer manual work

A four-square shank produced to DIN 10 / ISO tolerances provides a secure mechanical connection between the tap and the driving tool. This geometry delivers reliable torque transfer and reduces the risk of slippage during manual tapping and reaming operations. The threaded connection M9–10 matches common hand tap sizes, ensuring a robust coupling that helps preserve thread quality and reduces the chance of tool breakage when working in demanding assembly or maintenance tasks.

Robust finish tailored to workshop conditions

Constructed from zinc with a zinc-plated finish, the extension balances corrosion resistance with economical durability for routine workshop use. The surface treatment protects against moisture and light industrial contaminants, which keeps the accessory ready for immediate use and reduces the need for premature replacement. As a straightforward accessory, it supports maintenance, prototyping and small-batch production where accessibility and component longevity matter.

Practical applications and procurement assurance

This extension is well suited to maintenance engineers, toolroom staff and small workshops that require reliable manual tapping in narrow or deep cavities. The accessory fits hand taps and hand reamers specified for DIN 377 connections and is a compact, easy-to-store addition to an existing tap set. For further technical clarification or to confirm compatibility with specific tap sets, Metav Werkzeuge offers detailed product information and advice to ensure the right selection for each task.

For tailored advice or to secure this TECWERK extension with proven delivery reliability, contact Metav Werkzeuge for order support and technical consultation at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: 2000867908NW
• Label: Werkzeugverlängerung DIN 377 4KT 5,5mm Zink M9-10 TECWERK
• SKU: 2000867908NW

Facts

• Overall length: 115 mm
• Shank size: 5.5 mm
• Thread: M9–10
• Packaging unit: 1

Special features

• Standard: DIN 377
• Suitable for: hand taps and hand reamers
• Finish: zinc-plated
• Shank: four-square (4KT) to DIN 10 / ISO
• Material: Zinc

FAQ

Which tools are compatible with this extension?
The tool extension labelled "Werkzeugverlängerung DIN 377 4KT 5,5mm Zink M9-10 TECWERK" is intended for use with hand taps and hand reamers that conform to DIN 377 interfaces.

What are the key dimensions to check before use?
Check the 115 mm overall length, the 5.5 mm shank size and the M9–10 threaded connection stated on the TECWERK tool extension to ensure compatibility with existing tap holders.

Does the finish provide corrosion protection?
Yes, the TECWERK extension is made from zinc with a zinc-plated finish, offering surface-level corrosion resistance suitable for standard workshop environments.

How does the four-square shank improve performance?
The four-square shank to DIN 10 / ISO gives positive drive engagement, improving torque transfer and reducing slippage when using the extension with manual tapping tools.

Is this extension suitable for use in deep or recessed thread locations?
The 115 mm length of the TECWERK extension was designed specifically to extend reach for taps and reamers in recessed or hard-to-access areas, facilitating work without modifying the tap set.

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