4x0.5mm Machine Tap DIN 374B HSS-Co Form B Straight Flute Undercut 6H Through Hole Shank 2.8mm - TECWERK

Take advantage of a robust HSS‑Co composition and a precision MF 4×0.5 mm thread form for consistent, production-ready tapping in a variety of metals; order directly via Metav Werkzeuge or consult our experts for application-specific advice.

Machine tap DIN 374B MF 4×0.5 mm HSS‑Co 6H (TECWERK) – Form B, straight flutes, for through-hole threads

Machine tap DIN 374B MF 4×0.5 mm HSS‑Co 6H (TECWERK) is a machine tap designed to produce fine metric threads with high repeatability, suitable for demanding workshop and industrial environments.

Solid HSS‑Co for high wear resistance
Straight flutes, Form B, relieved flanks
Metric fine thread MF 4×0.5 mm, tolerance 6H
Suitable for through-hole threads in steels up to 1000 N/mm²

Greater tool life through wear‑resistant material

The combination of HSS‑Co composition and a purpose‑designed flute geometry provides a balance of toughness and heat resistance that benefits continuous machining. In practical terms, the cobalt alloy increases resistance to abrasion and thermal softening, which reduces the frequency of tool changes and the associated downtime. For production environments where cycle time and tool longevity matter, this tap offers measurable gains in process stability and cost efficiency.

Precise fit and repeatable thread quality

Specified to DIN 13 with a tolerance field 6H, the thread geometry ensures reliable assembly behaviour and consistent torque values across batches. The MF 4×0.5 mm metric fine pitch delivers finer adjustment capability in mating parts, while the relieved flanks reduce insertion friction and help prevent galling. Explaining the tolerance: 6H denotes a standard internal thread tolerance suited for general engineering fits, balancing ease of assembly with secure engagement.

Designed for diverse metalworking applications

This tool is optimised for use in steels up to approx. 1000 N/mm², malleable cast iron and long‑chipping non‑ferrous metals, making it versatile across many component types. The peeling chamfer (Schälanschnitt) supports reliable cutting in through‑hole situations, improving chip evacuation and preventing premature breakage. The compact shank diameter 2.8 mm permits use in common machine tap holders and collets, enabling straightforward integration into existing tooling setups.

Consistent performance in production workflows

Form B straight flutes are selected for their predictable chip formation and strength in machine tapping operations, contributing to fewer rejects and steadier process windows. The tool’s geometry balances cutting force and chip control, which is particularly valuable when producing fine threads in series. For engineers specifying tooling for repeat production, this machine tap is presented as a dependable option that supports leaner tool inventories and predictable maintenance intervals.

For application guidance or to purchase TECWERK machine taps, contact Metav Werkzeuge for tailored advice and fast delivery from Emmerich.

Technical data

• Article number: 2000867219NW
• Brand: TECWERK
• Shank diameter: 2.8 mm
• Thread: MF 4×0.5 mm
• Standard: DIN 13

Facts

• Tolerance: 6H
• Material: HSS‑Co
• Form: B (straight flutes)
• Application strength: up to approx. 1000 N/mm²
• Packaging unit: 1

Special features

• Straight‑fluted machine tap
• Flank relief grinding
• With peeling chamfer for through‑hole threads
• Suitable for steels, malleable cast iron and long‑chipping non‑ferrous metals

FAQ

What thread size and tolerance does this tap produce?
The tap produces a metric fine thread MF 4×0.5 mm with tolerance 6H, compliant with DIN 13 for standard engineering fits.

Which materials can be machined with this TECWERK machine tap?
The tool is suitable for steels up to approximately 1000 N/mm², temper cast iron and long‑chipping non‑ferrous metals, as specified for the product.

What is the shank diameter and how does that affect holder selection?
The tap features a 2.8 mm shank diameter, which should be matched to the appropriate collet or machine tap holder for secure clamping.

Is this tap intended for blind or through‑hole threads?
This variant includes a peeling chamfer designed specifically for reliable through‑hole thread production.

How does the Form B straight flute geometry benefit production?
Form B straight flutes provide controlled chip formation and robust cutting edges, supporting consistent cycle times and reduced tap failure in machine tapping operations.

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