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

Take advantage of the combination of durable HSS‑Co5 cutting material, full metric coverage from M3–M12, and a matching set of twist drills for precise pre‑drilling — a practical choice for reliable, repeatable machine threading. Order the set directly via Metav Werkzeuge or consult our specialists for tailored advice.

RUKO machine tap set DIN 371/376 B M3–M12 — HSS‑Co5, 14‑piece

The RUKO machine tap set DIN 371/376 B M3–M12 is a production‑grade tapping kit designed for standard metric machine threading in industrial and workshop environments

• HSS‑Co5 high‑speed steel with 5% cobalt
• Covers M3 to M12 metric thread sizes
• Includes matching twist drills for accurate pre‑drilling
• DIN 371/376 standard for machine threading

Robust cutting performance for machine use

The set is manufactured from HSS‑Co5, a high‑speed steel alloy with cobalt reinforcement that improves heat resistance and tool life under machine cutting conditions. This material choice means longer tool life and more consistent thread quality when compared with standard HSS in repetitive production tasks. The DIN 371/376 designation ensures the taps conform to recognised machine‑thread profiles, which simplifies integration into existing machining workflows and reduces rework due to non‑standard thread geometry.

A complete assortment for efficient workflow

Contained in the kit are machine taps for sizes M3, M4, M5, M6, M8, M10 and M12 together with matching twist drills (Ø 2.5, 3.3, 4.2, 5.0, 6.8, 8.5, 10.2 mm). Having taps and pre‑drills paired in one kit supports a streamlined process: correct pilot holes from the twist drills reduce tap wear and improve thread accuracy. The 14‑piece arrangement supplies the typical progression needed on a shop floor, lowering tooling-change downtime and helping maintain throughput for small to medium batch runs.

Practical workshop benefits and secure storage

The kit is supplied in a compact plastic case, keeping tools organised and protected between uses. Clear labelling and fixed positions in the cassette speed up tool selection and inventory checks, which supports orderly workshop practice. The combination of standardised thread forms and pre‑matched drills makes the set especially suitable for maintenance departments and contract manufacturers seeking a dependable, ready‑to‑use solution for metric machine threading.

For procurement or technical questions about the RUKO machine tap set, contact Metav Werkzeuge in Emmerich for personalised advice and swift delivery: info@metav-werkzeuge.com, +49 2822 7131930

Technical data

• Article number: 4000602048NW
• Item: Machine tap set DIN 371/376 B M3–M12, 14‑piece
• Manufacturer: Ruko GmbH
• Packaging unit: 1

Core specifications

• Thread sizes: M3, M4, M5, M6, M8, M10, M12
• Twist drill diameters: 2.5 / 3.3 / 4.2 / 5.0 / 6.8 / 8.5 / 10.2 mm
• Total pieces: 14
• Standard: DIN 371 / DIN 376

Special features

• Cutting material: HSS‑Co5 (high‑speed steel with 5% cobalt)
• Includes machine taps to DIN 371 and DIN 376
• Includes matching twist drills for pre‑drilling
• Supplied in a plastic case for organised storage

FAQ

What sizes are included in the set?
The kit contains machine taps for M3, M4, M5, M6, M8, M10 and M12 plus matching twist drills (Ø 2.5–10.2 mm) for the RUKO machine tap set (SKU 4000602048NW)

Is the steel grade suitable for continuous machine use?
Yes—the HSS‑Co5 composition in the RUKO set is chosen for improved heat resistance and wear properties appropriate for machine tapping operations

Do the taps conform to recognised thread standards?
The taps are manufactured to DIN 371 and DIN 376, ensuring standard metric machine thread forms and compatibility with standard components

How does including twist drills benefit the tapping process?
Pre‑matched twist drills ensure correct pilot hole diameters, reducing tap stress, improving thread accuracy and extending tool life in workshop production

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