M3–M12 Machine Tap And Twist Drill Set HSS-Co5 DIN 371/376, 14 Pieces - Ruko GmbH

Take advantage of high-performance HSS‑Co5 cutting material and DIN‑compliant tapping geometry for consistent thread quality in workshop and production. The kit combines standardised thread coverage with matching twist drills for efficient preparation — order directly via Metav Werkzeuge or consult our specialists for specification support.

RUKO Machine Tap Set DIN 371/376 C M3–M12 — HSS‑Co5 performance

The RUKO Machine Tap Set DIN 371/376 C M3–M12 is a precision tapping kit intended for machining internal threads to DIN standards in general engineering and mechanical workshops

• HSS‑Co5 cutting material
• DIN 371/376 standard taps
• Thread range M3–M12 included
• Matching twist drills supplied
• Supplied in plastic case

Consistent thread quality for serial and workshop applications

The tapping tools are manufactured to DIN 371/376, ensuring repeatable thread profiles suitable for metric internal threads from M3–M12. The use of HSS‑Co5 (cobalt‑alloy high‑speed steel) provides enhanced heat and wear resistance compared with standard HSS, which translates into longer tool life and fewer rejects during repeated runs. This reliability supports stable production cycles and reduces machine downtime by delivering predictable cutting behaviour and consistent thread tolerances.

Practical kit contents that streamline preparation and operation

The set includes machine taps for the standard sizes plus the matching twist drills Ø 2.5 / 3.3 / 4.2 / 5.0 / 6.8 / 8.5 / 10.2 mm, simplifying hole preparation and reducing the need to source separate drills. Delivered in a compact plastic case, the kit keeps tools organised and transportable between bench and machine, aiding efficient workflow. Clear labelling of the taps and drills reduces setup time, enabling faster job changeovers in busy workshops.

Robust cutting material and application flexibility

The cobalt‑alloy composition of the cutting material provides greater resistance to thermal softening when tapping at elevated spindle speeds, which benefits machining in mild and medium‑strength engineering materials. The standardised geometry ensures compatibility with machine tapping cycles and collet fixtures, while the set composition supports common maintenance and production tasks where reliable internal threads are required. The overall design focuses on precision and durability, helping to maintain component integrity and assembly fit.

For dependable workshop threading choose the RUKO quality offered through Metav Werkzeuge — contact our Emmerich team for tailored advice and secure supply from stock at info@metav-werkzeuge.com or +49 2822 7131930

Technical Data

• Article number: 4000602049NW
• Product: Machine tap set DIN 371/376 C M3–M12, HSS‑Co5, 14-piece
• Manufacturer: Ruko GmbH

Facts

• Thread range: M3–M12
• Norm: DIN 371/376
• Cutting material: HSS‑Co5
• Twist drill diameters: Ø 2.5 / 3.3 / 4.2 / 5.0 / 6.8 / 8.5 / 10.2 mm

Special features

• Contents: taps DIN 371 M3 / M4 / M5 / M6 / M8 / M10 and DIN 376 M12
• Includes matching twist drills
• Supplied in plastic case

FAQ

Which thread sizes are covered by the set?
The set covers metric thread sizes from M3 to M12, providing the common range required for many workshop and maintenance applications.

What materials suit these taps best?
The HSS‑Co5 cutting material in this tapping kit is designed for general engineering materials and offers improved heat resistance for extended service life.

Are matching drills supplied with the kit?
Yes, the kit contains matching twist drills with diameters specified for correct hole preparation prior to tapping.

Do the taps conform to industry standards?
The tools are manufactured to DIN 371/376, ensuring standardised thread geometry and interchangeability in industrial environments.

What is the article number for ordering or reference?
The article number is 4000602049NW for ordering and catalogue reference.

Ruko GmbH: Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert‑Bosch‑Strasse 7, 71088 Holzgerlingen