25mm Machine Reamer DIN 208 Form B H7 HSS-Co Right-Hand Spiral Shank Morse Taper - TECWERK

Take advantage of the combination of HSS‑Co construction, H7 tolerance and a secure Morse taper MK3 mounting for reliable, production-grade hole finishing; order the machine reamer directly via Metav Werkzeuge or consult our specialists for application advice.

Maschinenreibahle DIN 208 H7 Form B D.25mm HSS-Co MK3 TECWERK — machine reamer for precision hole finishing

A Maschinenreibahle designed to deliver high-precision holes in both blind and through applications, suitable for steel, non‑ferrous metals and plastics and finished to DIN 208 standards.

• HSS‑Co construction for wear resistance
• Tolerance H7 for consistent hole quality
• Morse taper shank MK3 for secure fitting

Predictable, measurable hole accuracy that reduces rework

The tool is engineered to produce precision holes to H7 tolerance, making it ideal where tight fits and assembly reliability matter. The 25 mm nominal diameter is reamed to the final size with predictable runout, so mating parts slide or press-fit as intended. Conformity with DIN 208 ensures compatibility with established quality criteria in industrial production. By choosing a reamer with defined geometric and tolerance characteristics the result is a measurable reduction in scrap and secondary operations, supporting faster throughput and more consistent end products.

Robust alloy and mounting for uninterrupted workshop use

Manufactured from HSS‑Co, the reamer offers elevated wear resistance and retained hardness under heat, which extends tool life in serial production and shop-floor environments. A Morse taper MK3 shank secures the tool in the spindle for stable, concentric running and straightforward tool changes on compatible machines. These material and mounting features together mean fewer tool swaps, less downtime and a lower cost per finished hole — advantages that translate directly into operational efficiency for machining centres and conventional lathes alike.

Controlled chip removal and versatile material capability

The fluting is executed as helical flutes with a left-hand helix geometry to assist chip evacuation and surface finish when reaming steel, non‑ferrous metals and plastics. For users less familiar with the terminology: the helical flute guides chips away from the cutting face and helps maintain a steady cut, while the left-hand helix optimises the direction of chip flow relative to spindle rotation. This combination reduces clogging in blind holes and improves surface quality in through holes, enabling the tool to be used across a range of common workshop materials without unpredictable variation in results.

Practical setup advice for reliable results on the shop floor

For consistent outcomes, the reamer should be run after accurate pre‑drilling to the recommended pilot size and kept aligned with the workpiece to avoid tool deflection. Light finishing feeds and steady spindle speeds preserve the HSS‑Co edge and protect the Form B geometry during each pass. The reamer’s design supports both hand-fed and machine applications; correct clamping with the Morse taper MK3 and adequate lubrication where appropriate will extend service life and maintain the H7 tolerance across production batches. The net benefit is fewer corrective operations and better predictability in assembly processes.

Discuss application requirements with Metav Werkzeuge or request specification support from our consultants at Metav Werkzeuge to ensure the right tool selection for the job.

Technical data

• Article number: 2000865768NW
• Designation: Machine reamer DIN 208, Form B, Ø 25 mm
• Brand: TECWERK
• Packaging unit: 1

Facts

• Diameter: 25 mm
• Tolerance: H7
• Shank: Morse taper MK3

Special features

• Material: HSS‑Co
• Standard: DIN 208
• Geometry: Form B
• Flute type: helical flutes
• Helix direction: left-hand helix
• Application: blind and through holes in steel, non‑ferrous metals and plastics

FAQ

What tolerance does the reamer achieve?
The reamer achieves H7 tolerance for the finished hole; the Maschinenreibahle DIN 208 H7 Form B D.25mm HSS‑Co MK3 TECWERK is specified to meet these tolerance requirements for repeatable assembly fits.

Which materials can be machined with this tool?
The tool is suitable for steel, non‑ferrous metals and plastics, as indicated in the product specification for the TECWERK machine reamer (SKU 2000865768NW).

What does MK3 mean for tool mounting?
MK3 denotes a Morse taper MK3 shank, providing a secure, self‑locking fit in compatible spindles for stable running and accurate concentricity during reaming operations.

How does the flute design affect machining performance?
The helical flutes with a left‑hand helix assist chip evacuation and surface finish, reducing the risk of clogging in blind holes and promoting consistent cutting during through‑hole reaming.

Is this tool compliant with industry standards?
Yes, the reamer is produced to DIN 208 specifications and is intended for precision finishing tasks where standardised geometry and tolerance are required.

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