3/4" G 14 TPI HSS-Co Machine Tap Form B Straight Flute Whitworth Pipe Thread DIN ISO 228 20mm Shank - TECWERK

Take advantage of the tap's combination of HSS‑Co wear resistance, Form B straight flutes and a robust 20 mm shank for reliable pipe-thread production; order direct via Metav Werkzeuge or request advice from our consultants for application-specific guidance.

TECWERK Machine Tap G 3/4" x 14 – HSS‑Co, Form B

TECWERK Machine Tap G 3/4" x 14 is a dedicated machine tap for cutting Whitworth pipe threads (G) to DIN ISO 228, optimised for through-threading in medium-strength steels and temper cast iron.

• HSS‑Co for improved heat and wear resistance
• Form B straight flutes for machine tapping
• Whitworth pipe thread G to DIN ISO 228
• Suitable for steels up to ≈1000 N/mm²

Consistent performance where thread integrity matters

Manufactured in a cobalt‑alloy high‑speed steel (HSS‑Co) grade, this machine tap is engineered for durability and thermal stability during continuous operation. The cobalt content increases hot hardness, which translates into longer tool life and fewer interruptions for tool changes. Using a Form B design with straight flutes provides controlled chip flow when producing standard Whitworth pipe threads, reducing the risk of thread distortion and ensuring repeatable, measurable results for production runs.

Standards-compliant threads and secure machine mounting

Conformity to ISO 228 guarantees compatibility with established Whitworth pipe fittings and gauges, which simplifies assembly and inspection procedures. The designation for through threads means the tool is intended to pass completely through the workpiece, avoiding the special geometry required for blind holes. A 20 mm shank enables secure clamping in common tapping holders and machine spindles, ensuring concentricity and reducing runout for more accurate thread profiles.

Designed for common industrial materials

This tap is specified for use in steels up to ≈1000 N/mm² tensile strength and in malleable (temper) cast iron, making it suitable for many hydraulic and pipework applications where Whitworth pipe threads are required. The relief‑ground flanks reduce cutting forces and support smoother engagement with the material, which helps to avoid galling and prolongs both tool and thread quality under repetitive use.

Practical handling and workshop integration

Ideal for production environments, the tool’s geometry and material combination reduce dressing frequency and support predictable replacement intervals. The straight‑fluted form eases chip evacuation in through‑thread operations and simplifies process planning. For best results, use appropriate cutting fluid and ensure the machine holder matches the 20 mm shank for correct alignment; the result is reliable, standard‑compliant pipe threads ready for assembly or sealing.

Contact Metav Werkzeuge for tailored application advice and order the TECWERK machine tap from our Emmerich stock — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 2000867504NW
• Manufacturer: TECWERK
• Packaging unit: 1
• UID: 2000867504NW

Core specifications

• Shank diameter: 20 mm
• Thread designation: G 3/4" x 14 tpi
• Material suitability: steels up to ≈1000 N/mm²
• Intended thread type: through threads

Design & features

• Material: HSS‑Co
• Form: Form B, straight fluted
• Flank treatment: relief‑ground flanks
• Thread standard: Whitworth pipe thread G to DIN ISO 228
• Application: for through threads, also suitable for temper cast iron

FAQ

What materials can this tap machine work with?
The TECWERK machine tap G 3/4" x 14 is suitable for steels up to ≈1000 N/mm² and for malleable (temper) cast iron, as specified in the product data.

Is this tap suitable for blind holes?
This tap is designed for through threads; it is optimised for applications where the tap passes entirely through the workpiece rather than forming blind holes.

What does Form B and straight flutes mean for production?
Form B indicates a straight‑fluted machine tap geometry; straight flutes promote consistent chip evacuation in through‑threading and simplify machine setup for repetitive production.

How does the HSS‑Co material affect tool life?
The HSS‑Co composition improves hot hardness and wear resistance compared with standard HSS, resulting in longer life under continuous cutting and higher process reliability for the TECWERK tap.

Which standard ensures compatibility with pipe fittings?
Threads produced with this tap conform to DIN ISO 228, the Whitworth pipe thread (G) standard, ensuring compatibility with corresponding fittings and gauges.

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