M4x0.7mm Machine Tap DIN 371B HSS-Co TiN Coated Straight Flute ISO Metric 6H Shank 4.5mm - TECWERK

Robust HSS‑Co construction and a TiN coating ensure long tool life and reliable performance when cutting M4 x 0.7 mm metric threads; the straight‑flute DIN 371B geometry with a shear cut reduces rework on through holes. Order or request advice via Metav Werkzeuge for fast, expert supply.

TECWERK Machine Tap DIN 371B M4 x 0.7 mm — HSS‑Co, TiN-coated

A TECWERK machine tap DIN 371B built for standard metric threading and through‑hole applications across steel, stainless steel and non‑ferrous materials

• HSS‑Co material for high-temperature resistance
• TiN coating for extended tool life
• Straight flutes for reliable through-hole threading
• Tolerance ISO2 (6H) for precise metric threads

Durable cutting performance that tolerates heat and wear

The tap combines HSS‑Co (cobalt‑alloyed high‑speed steel) with a TiN (titanium nitride) surface finish to enhance heat resistance and reduce adhesive wear. The cobalt alloy provides greater red‑hardness than standard high‑speed steels, which is particularly beneficial when machining stainless steel and alloyed steels where elevated temperatures occur. The TiN layer lowers friction and slows abrasive wear, which translates into longer service intervals and fewer tool changes in production runs.

Consistent metric threads with industry-standard tolerances

Designed to the DIN 371B machine‑tap specification and producing M4 x 0.7 mm threads to ISO2 (6H) tolerance, this tap delivers predictable fits for standard fasteners. The straight‑flute geometry and flanks relieved design support clean chip formation during through threading, while the shear cut for through threads improves surface finish and reduces the need for secondary operations. For workshops aiming to reduce scrap and rework, the precise tolerance class minimises assembly issues and ensures interchangeability with conventionally manufactured fasteners.

Practical workshop handling and clear application scope

The tool is supplied in a single unit with a shank Ø 4.5 mm, compatible with common machine holders; the Form B – universal designation indicates a general‑purpose configuration suitable for a wide range of tasks. Intended materials are explicitly stated: steel, stainless steel, spheroidal graphite cast iron and non‑ferrous metals, so selection is straightforward for mixed‑material production environments. Technical terms: HSS‑Co refers to cobalt‑alloyed high‑speed steel; TiN denotes a hard, low‑friction coating; ISO2 (6H) describes the standard tolerance band for metric internal threads.

For production enquiries and to secure the TECWERK DIN 371B M4 x 0.7 mm tap, contact Metav Werkzeuge for tailored advice and prompt supply at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 2000867697NW
• Label: Maschinengewindebohrer DIN 371B Univ. M4 x 0.7 mm HSS‑Co TiN 6H TECWERK
• Manufacturer: TECWERK

Core data

• Thread: M4 x 0.7 mm
• Shank Ø: 4.5 mm
• Packaging unit: 1
• Tolerance: ISO2 (6H)

Special features

• Material: HSS‑Co
• Coating: TiN
• Straight fluted
• Flanks relieved
• Shear cut for through threads
• Form B, universal type
• Standard: DIN 371B; DIN 13 sheet 1
• Suitable for steel, stainless steel, spheroidal graphite cast iron, non‑ferrous metals
• Green ring

FAQ

Which materials is this tap suitable for?
The TECWERK machine tap DIN 371B is manufactured for use on steel, stainless steel, spheroidal graphite cast iron and non‑ferrous metals, as stated in the product data.

What benefit does the TiN coating provide?
The TiN coating on the TECWERK tap reduces friction, increases abrasion resistance and extends tool life under higher cutting temperatures.

What tolerance and standard does the thread meet?
Threads produced conform to ISO2 (6H) tolerance and the DIN 371B standard, ensuring compatibility with standard metric fasteners.

Is this tap intended for through holes or blind holes?
The straight‑flute geometry combined with a shear cut for through threads makes this tool optimised for through‑hole threading operations.

What shank size is required for the toolholder?
The tap has a shank diameter of 4.5 mm, which should be matched to a suitable collet or holder on the machine.

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