M5x0.8mm ISO Metric Machine Tap HSS-Co Form B Nitride/Vapourised ISO2 (6H) Through Hole - TECWERK

Benefit from the combination of cobalt HSS construction, a nitrided and vapour-treated finish and precise ISO2 (6H) tolerance for dependable thread production in demanding steels. Order the tap directly via Metav Werkzeuge or consult our specialists for application-specific guidance.

Machine tap DIN 371B M5×0.8 HSS‑Co — nitrided & vapour‑treated (TECWERK)

A machine tap DIN 371B M5×0.8 engineered for the efficient production of ISO metric threads in stainless, acid‑ and heat‑resistant steels.

• Cobalt HSS for demanding materials
• Nitrided and vapour‑treated finish
• Straight flute with flank relief
• ISO metric thread, tolerance ISO2 (6H)

Reliable threads where material strength is critical

Manufactured from HSS‑Co, this tap provides the toughness required for steels with high tensile strength. The solid‑cobalt composition improves red‑hardness and wear resistance, which translates into more consistent thread profiles under elevated cutting temperatures. In practice, the combination of material and geometry reduces wear rate and helps maintain the ISO2 (6H) tolerance over longer production runs, supporting steady component interchangeability and fewer rejects.

Coating and geometry engineered for stainless and heat‑resistant steels

A nitrided and vapour‑treated surface delays adhesive wear and improves surface hardness, while the visible blue ring denotes the treatment. The straight flute design, together with flank relief grinding, facilitates chip formation and evacuation when machining tough, gummy alloys. The included shear chamfer for through threads reduces burr formation and eases thread start, delivering cleaner threads and less rework in follow‑up operations.

Standards, dimensions and measurable advantages

Conforming to DIN 371B and producing metric ISO threads to DIN 13 sheet 1, this tool supports standardised assembly practices. The nominal thread size M5×0.8 and shank Ø 6 mm make it compatible with common tool holders and tapping heads used in automated machines and conventional tapping stations. The specified tolerance class ISO2 (6H) offers a reliable clearance fit for standard fasteners, lowering the need for in‑process adjustments.

Integration into the workshop and operational best practice

The tap is designed for through‑hole tapping in stainless and heat‑resistant steels with tensile strengths above 850 N/mm²; selecting appropriate cutting fluid and adapting spindle speed will extend service life. The tool’s geometry reduces tool overload and helps maintain cycle times, contributing to predictable throughput. For bespoke setups or multi‑stage machining sequences, Metav Werkzeuge provides technical advice to align tool choice with machine capability and process parameters.

Contact Metav Werkzeuge for application advice and procurement of TECWERK machine taps; technical questions may be sent to info@metav-werkzeuge.com or discussed by phone at +49 2822 7131930

Technical data

• Article number: 2000867205NW
• Designation: Machine tap DIN 371B M5×0.8, HSS‑Co (TECWERK)
• Packaging unit: 1
• UID: 2000867205NW

Facts

• Thread size: M5 × 0.8
• Shank diameter: 6 mm
• Tolerance: ISO2 (6H)
• Material suitability: steels > 850 N/mm² tensile strength
• Standard: DIN 13 sheet 1

Special features

• Material: HSS‑Co (cobalt high‑speed steel)
• Coating/finish: nitrided and vapour‑treated
• Flute type: straight flute
• Flank treatment: flanks relief‑ground
• Lead form: shear chamfer for through threads
• Colour code: blue ring
• Application: through‑threading in stainless, acid‑ and heat‑resistant steels

FAQ

Which materials can this tap machine through reliably?
The TECWERK machine tap DIN 371B M5×0.8 is specified for stainless, acid‑ and heat‑resistant steels, and is suitable for workpieces with tensile strength above 850 N/mm².

Is the surface treatment suitable for high‑temperature cutting?
Yes, the nitrided and vapour‑treated finish increases surface hardness and resistance to adhesive wear, supporting performance under elevated cutting temperatures.

What tolerance and thread standard does the tap produce?
Threads conform to DIN 13 sheet 1 with tolerance class ISO2 (6H), providing standardised fits for metric fasteners.

Can the tap be used in automated tapping heads?
With a shank Ø 6 mm and DIN 371B form, the tool is compatible with common holders and tapping heads used in automated and manual tapping operations.

How does the straight flute design affect chip control?
The straight flute, combined with flank relief grinding and the shear chamfer, promotes predictable chip formation and evacuation when machining gummy or high‑strength alloys.

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