100mm Tool Extension DIN 377 Square Shank Zinc, For Hand Taps And Hand Reamers - TECWERK

Take advantage of the DIN 377 compliance and the 3.8 mm square shank combined with a 100 mm reach for reliable manual tapping in confined or hard-to-access bores. Order the extension directly via Metav Werkzeuge or contact our consultants for compatibility checks and availability.

TECWERK Tap Extension (DIN 377), 3.8 mm square, zinc — 100 mm

TECWERK Tap Extension (DIN 377) is an extension for hand taps and hand reamers that provides a standardised square drive and extended reach for manual tapping in restricted spaces.

• DIN 377 standardised square shank
• For hand taps and hand reamers
• Zinc construction for corrosion resistance
• 100 mm overall length for extended reach

Dependable reach for manual tapping operations

The extension delivers a controlled extension specifically designed for manual thread cutting and reaming tasks. Engineered to the DIN 377 standard, the accessory ensures consistent torque transmission through its 3.8 mm square shank, reducing the risk of slippage during hand-operated work. For workshops that require reliable access into recessed or deep bores, this tool extension offers improved handling and alignment, which helps to shorten cycle time and reduces the need for improvised adapters. The combination of standard conformity and measured reach supports repeatable results in everyday production and maintenance.

Compatibility and fit with hand tools and handles

Conformity to DIN 10 / ISO square dimensions means the extension mates cleanly with standard tap wrenches, T‑handles and manual drivers designed for hand taps and hand reamers. The square drive geometry stabilises the connection between the tool and the tap, which maintains axial alignment and helps prevent chatter or cross-threading when working by hand. Because the component is intended for manual rather than powered use, torque input remains intuitive and controllable, making it suitable for workshop technicians who require a straightforward mechanical interface for delicate or precision thread cutting.

Corrosion protection and simple upkeep for workshop life

Constructed from zinc, the extension offers a corrosion-resistant surface that withstands workshop environments where humidity and coolant residues are present. The protective finish reduces surface oxidation and simplifies storage and handling; routine cleaning with a dry cloth and light machine oil is sufficient to preserve performance. Given its straightforward design, the part requires minimal maintenance while providing durable service life, making it a practical addition to general workshop supplies and maintenance kits where reliability and low upkeep are priorities.

Contact Metav Werkzeuge to confirm fitment and reserve the TECWERK tap extension for dispatch from Emmerich; consultants are available by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: 2000867905NW
• Manufacturer: TECWERK
• Packaging unit: 1

Facts

• Total length: 100 mm
• Square size: 3.8 mm

Special features

• Standard: DIN 377
• Square per DIN 10 and ISO
• For hand taps and hand reamers
• Material: zinc
• Galvanised / zinc coated

FAQ

What is the primary use of this extension?
The TECWERK tap extension is intended for manual thread cutting and hand reaming, extending reach for taps and reamers in recessed or hard-to-access bores.

Which standards ensure compatibility with handles and wrenches?
Compatibility is ensured by the DIN 377 specification and the square drive formed to DIN 10 / ISO, allowing a secure fit with standard tap wrenches.

How should the extension be maintained to prolong service life?
Simple upkeep—cleaning after use and light lubrication—keeps the zinc finish effective; the TECWERK extension benefits from routine care to prevent surface corrosion.

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