200mm Tool Extension DIN 377 4-Square 18mm Zinc M30 - TECWERK

Take advantage of a precise, standards-based extension designed for hand threading and reaming tasks: long reach, a secure 4-sided drive and corrosion-resistant zinc construction combine to keep workshop processes efficient and reliable. Order the TECWERK extension bar directly via Metav Werkzeuge or consult the team for detailed compatibility advice.

TECWERK extension bar DIN 377 — 4-sided 18 mm, zinc-plated, M30

The TECWERK extension bar DIN 377 is an extension for hand taps and hand reamers, offering a 200 mm overall length and a DIN 10/ISO four-sided drive for safe tool engagement.

• Complies with DIN 377 standard
• Suitable for hand taps and hand reamers
• Zinc-plated for corrosion protection
• 4-sided 18 mm square drive, 200 mm length

Greater reach with secure tool engagement

The extension delivers a measured increase in reach while maintaining a secure connection to hand-operated threading and reaming tools. With an overall length of 200 mm, the bar enables access to deeper or recessed threads without resorting to improvised extensions. The 18 mm square drive conforms to common four-sided shank dimensions, ensuring a positive fit with compatible tap handles and reaming tools; the square profile reduces slippage and supports consistent torque transfer. For procurement decisions, the adherence to DIN 377 provides a reliable reference to fit and function, simplifying integration into existing workshop setups.

Durable zinc construction for workshop conditions

Constructed from zinc and supplied zinc-plated, the extension is specified to resist the surface corrosion typical in busy workshops. The protective finish prolongs service life and reduces maintenance interruptions, which contributes to steady production flow and predictable tool replacement cycles. Explaining the material choice in plain terms: the zinc composition and plating act as a sacrificial surface barrier, slowing down rust formation where exposure to cooling fluids or humid environments is common.

Standardised connections for easy compatibility

The bar features an M30 thread and a four-sided end manufactured to DIN 10 and ISO dimensions, enabling standardised fastening to matching tap wrenches and handles. This means reduced setup time and fewer proprietary adapters. The mechanically defined interfaces allow maintenance teams to swap tools quickly and return to operation with minimal retooling. Where precision threading is required, consistent mechanical interfaces are a direct factor in process reliability and reduced scrap rates.

Practical benefits for everyday workshop use

Beyond standards and materials, the extension is conceived to support efficient workflows: its length and square drive improve access and control, the zinc surface reduces corrosion-related downtime, and the standard threads simplify inventory choice. For smaller workshops and larger industrial environments alike, such an extension reduces the need for custom workarounds and contributes to safer handling during manual threading operations. The overall package supports a pragmatic balance between compatibility, durability and straightforward usability.

Request technical clarification or secure supply through Metav Werkzeuge for fast dispatch from Emmerich; email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss the TECWERK extension bar and its fit in current tool sets

Technical data

• Article number: 2000867919NW
• Product label: Tool extension DIN 377 4-sided 18 mm, zinc, M30 (TECWERK)
• Manufacturer: TECWERK
• Packaging unit: 1
• UID: 2000867919NW

Facts

• Overall length: 200 mm
• Square drive: 18 mm
• Thread: M30
• Standard: DIN 377

Special features

• For hand taps and hand reamers
• Material: zinc
• Zinc-plated (verzinkt)
• Four-sided square according to DIN 10 and ISO

FAQ

Is this extension compatible with common tap wrenches?
The extension bar is specified to DIN 377 and features a four-sided drive to DIN 10/ISO, which provides compatibility with standard tap wrenches and many hand-reaming tool setups.

What is the overall length and how does it affect reach?
The bar has an overall length of 200 mm, offering increased reach for recessed or deep-threaded applications without compromising control.

Which materials can be worked with using this extension?
The extension itself is designed for use with hand taps and hand reamers; material suitability depends on the selected tap or reamer rather than the extension bar.

How does the zinc finish help in a workshop environment?
The zinc-plated surface provides corrosion resistance, reducing surface rust and extending the usable life of the extension in typical workshop conditions.

What is the product code for ordering and reference?
Refer to SKU 2000867919NW when ordering the TECWERK extension bar to ensure the correct specification is supplied.

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