3mm Machine Tapping Drill DIN 371C H M3x0.5 HSS-Co 6H For Blind Holes, Right-Hand Spiral 40° - TECWERK

Combining HSS‑Co strength, Form C geometry and an ISO2 (6H) tolerance, this machine tap delivers consistent, industry‑grade M3×0.5 threads in blind holes; order directly from Metav Werkzeuge or consult the technical advisors for application-specific guidance.

Machine tap DIN 371C H M3×0.5 HSS‑Co 6H (TECWERK) — High‑performance tap for blind‑hole threading

A machine tap DIN 371C M3×0.5 designed for reliable blind‑hole threading in high‑strength steels, featuring a 40° right‑hand spiral and precision ISO2 tolerance.

• HSS‑Co grade for hard steels
• Form C geometry with 40° spiral
• ISO2 (6H) tolerance for precise threads
• Designed for blind‑hole threading

Precise threading where tolerance matters

The HSS‑Co composition ensures elevated hot‑hardness and wear resistance, so the tap maintains cutting geometry under sustained load. With its ISO2 (6H) tolerance, the tool creates repeatable, standardised internal threads that fit mating parts without rework. This makes the threading tool particularly suitable for production environments where assembly reliability and interchangeability are critical. The construction minimises tool wear, which reduces downtime for replacements and helps maintain steady throughput on high‑mix benches.

Optimised geometry for chip control in blind holes

The Form C geometry and right‑hand spiral 40° promote controlled chip evacuation from blind holes, reducing the risk of chip packing and premature tool failure. Flank relief that is ground on the cutting edges improves the entry and exit behaviour in small‑diameter threads, translating into smoother thread generation and fewer rejects. For workshops processing hard‑to‑machine materials, this combination of geometry and helix angle reduces process variability and helps achieve consistent surface finish and thread form in confined hole depths.

Application range and material compatibility

Designed to produce M3×0.5 metric ISO threads to DIN 371C, the tap is specified for blind‑hole use and recommended for steels with high tensile strength (notably those above 1000 N/mm²) where conventional high‑speed tools would dull quickly. The compact shank and robust cutting material enable performance in batches as well as one‑off precision work. The tool is a pragmatic choice where high mechanical properties of the workpiece demand a tougher cutting grade than plain HSS.

Integration into production and maintenance benefits

A solid shank diameter of 3.5 mm supports secure clamping and stable concentricity in machine spindles, while the clear marking and standard DIN compliance simplify tooling logistics and inspection routines. Where efficiency is paramount, the durable HSS‑Co composition reduces the frequency of replacements and contributes to predictable operating costs. For purchasers seeking an integrated supply solution, Metav’s quality filter and logistics from Emmerich ensure consistent availability and traceability across orders.

For robust M3×0.5 blind‑hole threading, choose the TECWERK HSS‑Co machine tap and order through Metav Werkzeuge in Emmerich — contact our specialists at info@metav-werkzeuge.com or +49 2822 7131930 for tailored advice and fast supply.

Technical Data

• Article number: 2000867283NW
• UID: 2000867283NW
• Product name: Machine tap DIN 371C H M3×0.5 HSS‑Co 6H TECWERK
• Manufacturer: TECWERK
• Packaging unit: 1

Data

• Thread size: M3
• Thread pitch: 0.5 mm
• Standard: DIN 371C
• Tolerance: ISO2 (6H)
• Shank diameter: 3.5 mm

Special features

• Material: HSS‑Co (cobalt high‑speed steel)
• Geometry: Form C, Type H
• Spiral: right‑hand spiral, 40°
• Flank relief: flanks ground
• Application: blind‑hole threading
• Marking: red ring (rotring)
• Suitable for: hard‑to‑machine steels > 1000 N/mm²
• Thread form: metric ISO thread, DIN 13 sheet 1

FAQ

Is this tap suitable for blind holes only?
The machine tap is specified for blind‑hole threading and its 40° spiral is optimised to evacuate chips from confined depths, reducing the risk of chip build‑up.

Which thread specification does the tool produce?
This tool produces M3×0.5 metric threads to DIN 371C with ISO2 (6H) tolerance for reliable assembly fit.

What material is the tap made from and why is that important?
The tap is manufactured from HSS‑Co (cobalt high‑speed steel), which provides higher hot‑hardness and wear resistance compared with standard HSS, making it suited to tough steels with tensile strengths above 1000 N/mm².

Can the tap be clamped in standard collets and toolholders?
The tool has a shank diameter of 3.5 mm, suitable for secure clamping in compatible collets and holders that accept that shank dimension.

What is the article number for ordering and reference?
The article number for ordering is 2000867283NW, listed as the machine tap DIN 371C H M3×0.5 HSS‑Co 6H by TECWERK.

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