1/8" G 28 TPI Threading Die Form B HSS A Tolerance A, Closed Slotted - TECWERK

Take advantage of a precision-engineered solution that combines high-speed steel construction, conformity to recognised standards and a compact 11 mm height for stable thread cutting. The result is reliable Whitworth pipe-thread production in medium‑strength steels with straightforward handling — order directly via Metav Werkzeuge or request technical guidance from our consultants.

TECWERK Threading Die Form B G 1/8" x 28 — HSS, Tolerance A

The TECWERK Threading Die Form B G 1/8" x 28 HSS A is a closed, pre‑slotted high‑speed steel die designed for cutting parallel Whitworth pipe threads in workshop and industrial settings.

• HSS cutting material for durability
• Conforms to DIN EN 24231 standard
• Whitworth pipe thread G per DIN ISO 228
• Tolerance field A for precise fit

Consistent thread quality for pipe connections

The closed, pre‑slotted design delivers stable cutting edges and controlled chip formation, which helps to maintain geometric accuracy across repeated operations. Conformance with DIN EN 24231 and the specification for Whitworth pipe thread G ensures compatibility with standard parallel pipe fittings, while the Tolerance A grade gives predictable thread fit. For production environments that prioritise repeatability, this die supports consistent assembly and reduces rework.

Built for medium‑strength steels and everyday workshop use

Manufactured from HSS (high‑speed steel), the tool is suitable for threading components made from steels up to around 800 N/mm² tensile strength. This makes it a practical choice for general maintenance, plumbing installations and small‑batch fabrication where tough, wear‑resistant cutting edges are required. The compact 11 mm height enables use in confined holders and die stocks, preserving rigidity without excessive bulk.

Clear standards and straightforward selection

Specification details such as thread designation G 1/8" x 28, standard conformity and material rating simplify purchasing decisions. Where uncertainty exists about compatibility with existing fittings or materials, selecting a die that adheres to recognised standards reduces integration risk. The tool’s Form B profile provides a predictable thread form for typical pipe‑threaded joints, assisting quality control across multiple workpieces.

Practical handling and lifecycle considerations

The pre‑slotted configuration facilitates chip evacuation and can reduce binding during cutting, which in turn lowers the likelihood of premature tool wear. The use of HSS balances initial tool cost with a longer effective service life compared with lower‑grade steels, supporting economical operation over many cycles. For workshops seeking to centralise procurement and maintain consistent tool quality, the product aligns with a pragmatic supply strategy that favours durability and standardisation.

Contact Metav Werkzeuge for expert advice on selecting the appropriate TECWERK HSS threading die and to place orders — info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 2000867780NW
• SKU: 2000867780NW
• Label: Schneideisen Form B G 1/8 Zollx28 HSS A TECWERK

Facts

• Thread size: G 1/8" x 28
• Height: 11 mm
• Material suitability: steels up to 800 N/mm²
• Tolerance: A

Special features

• Cutting material: HSS
• Standard: DIN EN 24231
• Form: B
• Whitworth pipe thread G per DIN ISO 228
• Closed, pre‑slotted form
• Packaging unit: 1

FAQ

What thread standard does this die produce?
The die produces a parallel Whitworth pipe thread G 1/8" x 28, manufactured to the DIN EN 24231 specification for consistent fit.

Is the die suitable for use on medium‑strength steels?
Yes, the TECWERK die is made from HSS and rated for machining steels up to approximately 800 N/mm² tensile strength.

What does the closed, pre‑slotted form mean in practice?
A closed, pre‑slotted form provides rigid cutting edges with slots that assist chip evacuation, improving cutting stability and surface finish when using the die.

Which tolerance class does this die follow and why is it important?
The die is produced to Tolerance A, offering a standardised fit that helps ensure compatibility with matching pipe fittings and predictable assembly behaviour.

How is the tool best held for manual threading operations?
Use a suitable die stock or holder sized for Form B dies; the compact 11 mm height makes it compatible with common die holders while maintaining rigidity.

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