3/8" G x 19 HSS Round Die Form B 14mm, DIN EN 24231 A Tolerance - TECWERK

Take advantage of a durable HSS cutting edge and precise tolerance class for reliable pipe-thread production—combine robust tool life with straightforward handling for consistent workshop output. Order directly via Metav Werkzeuge or consult our specialists for technical advice.

TECWERK round die G 3/8 in x19, HSS, Form B

The TECWERK round die G 3/8 in x19 HSS Form B is a closed, pre-slit die designed for cutting Whitworth pipe threads in medium-strength steels for industrial and repair applications.

High-speed steel (HSS) cutting material
Whitworth pipe thread G 3/8 in x19 to DIN ISO 228
Form B: closed, pre-slit construction
Tolerance class A for accurate thread quality

Thread accuracy that reduces rework and downtime

This tool delivers consistent, high-precision threads thanks to its tolerance class A specification and conformity with DIN EN 24231. Designed for the Whitworth pipe thread form, the die produces parallel pipe threads to DIN ISO 228, ensuring compatibility with standard pipe fittings and connectors. The combination of a hardened cutting material and a defined tolerance band means fewer rejects and reduced post-process corrections, improving throughput in maintenance and small-batch production.

Durable geometry for repetitive workshop use

Manufactured from HSS, the round die resists wear across extended runs and preserves cutting edges under typical workshop conditions. The Form B design—closed with a pre-slit section—supports controlled chip formation and improved centring in the die stock, which helps maintain concentricity and reduces the likelihood of cross-threading. With a compact height of 14 mm, the tool is suited to standard die-holders and hand-operated stations, offering straightforward integration into existing workflows.

Practical benefits that support operational efficiency

Using a die with HSS construction and a proven thread standard offers a cost-effective balance between tool life and machining quality. The robust design minimises the frequency of tool changes, while the precise thread geometry reduces the need for subsequent adjustments. For workshops aiming to standardise consumables, this die provides a repeatable solution for pipework repair and assembly, contributing to predictable maintenance cycles and lower indirect labour costs.

What to expect in use and care

The die is specified for machining steels with tensile strengths up to approximately 800 N/mm², so it is well suited for common structural and engineering steels encountered in fabrication and repair environments. To preserve cutting performance, standard workshop practice such as appropriate die-holder selection, controlled feed, and suitable cutting fluid is recommended. As the tool is engineered for parallel pipe threads, it is not intended for tapered-thread applications.

For reliable pipe-thread production choose the TECWERK round die and contact Metav Werkzeuge for tailored advice and supply from Emmerich—email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 2000867782NW
• Product name: Schneideisen Form B G 3/8 Zollx19 HSS A TECWERK
• Manufacturer: TECWERK
• Packaging unit: 1

Facts

• Thread size: G 3/8 in x19
• Height: 14 mm
• Suitable tensile strength: up to approx. 800 N/mm²
• Tolerance: class A

Special features

• Material: HSS
• Standard: DIN EN 24231
• Thread form: Whitworth pipe thread to DIN ISO 228
• Form: B, closed and pre-slit

FAQ

What thread standard does this die produce?
The TECWERK round die G 3/8 in x19 produces Whitworth pipe threads to DIN ISO 228, ensuring standardised parallel pipe-thread profiles for fittings.

Which materials is the die intended for?
This TECWERK die is specified for use on steels with tensile strengths up to approximately 800 N/mm², making it suitable for most common engineering steels.

What are the practical advantages of Form B construction?
Form B in this TECWERK die denotes a closed, pre-slit design that improves chip control and centring, which helps achieve more consistent thread runs and reduces the chance of cross-threading.

What does tolerance class A mean for thread fit?
Tolerance class A on the TECWERK round die indicates a tighter dimensional window for the thread form, delivering a more accurate and reliable fit for standard pipe connections.

Can this die be used for tapered threads?
No; the TECWERK round die G 3/8 in x19 is intended for parallel Whitworth pipe threads (G) in accordance with DIN ISO 228 and is not suitable for tapered thread forms.

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