19mm Countersink 90° UltimateCut HSSE-Co 3-Flute Reduced Forces, High Wear Resistance - Ruko GmbH

Benefit from significantly reduced axial and radial forces, a calm, vibration‑free countersinking action and optimised chip evacuation for longer tool life. Order the ULTIMATECUT countersink directly via Metav Werkzeuge or ask our consultants for application-specific advice.

ULTIMATECUT countersink – 90° Ø19 mm, HSS‑E Co5 (DIN 335C, 3 flutes) by RUKO

The ULTIMATECUT countersink is engineered for precise, low‑force chamfering across a wide range of machining applications, delivering clean, round and burr‑free countersinks.

• Reduced axial and radial cutting forces
• Quiet, vibration-free countersinking action
• Wide chip flute for efficient heat removal
• High wear resistance for long tool life

Precise chamfers with minimal feed force

The new cutting geometry significantly reduces both axial and radial forces, so less push‑down is required during operation. A specially developed, variably profiled relief provides a quiet run, producing an exact, round and rattle‑free countersink surface. These characteristics translate directly into faster setup, fewer reworks and stable dimensions in serial production. The tool’s geometry also counteracts material welding to the cutting edge, reducing the need for frequent regrinding and maintaining machining consistency.

Superior chip control and thermal management

Optimised chip groove parameters — including chip angle, transition radius and an extra‑wide flute — ensure efficient chip evacuation and heat dissipation. This reduces thermal loading at the cutting edge and increases the wear resistance of the cutting surface. The practical result is longer tool life and more predictable maintenance cycles, which supports continuous production runs and lowers overall tool consumption.

Consistent quality across a wide material range

Manufactured from HSS‑E Co5 and made to DIN 335C, the countersink maintains quality at both high and low cutting speeds. The combination of cobalt‑alloy steel and the new geometry means the tool achieves excellent performance in many materials and applications without sacrificing finish quality. Because the design reduces the forces during cutting, the same tool can be used where previously separate specialised countersinks were required, simplifying tool inventory and selection.

Workshop advantages that save time and effort

The three‑flute design and 19 mm diameter deliver a stable cutting action with predictable chip flow and surface finish. Reduced effort at the machine table, quieter operation and fewer tool changes all contribute to a more efficient workflow. For everyday workshop use or small series production the ULTIMATECUT countersink helps to cut cycle times and improve repeatability while keeping handling straightforward.

For precise application advice or to order the ULTIMATECUT countersink contact Metav Werkzeuge for expert guidance and reliable supply at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 8000422465NW
• Name: Kegelsenker ULTIMATECUT DIN 335C 90Grad D.19mm HSSE‑Co 5 Z.3 RUKO
• Packing unit: 1
• UID: 8000422465NW

Facts

• Diameter: 19 mm
• Angle: 90°
• Flutes: 3
• Feed in steel up to 800 N: 0.2 mm/rev
• Standard: DIN 335C

Special features

• Material: HSS‑E Co5
• New cutting geometry reduces axial and radial forces
• Variable relief for smooth, burr‑free results
• Extra‑wide flute for optimal chip and heat removal
• Suitable for high and low cutting speeds

FAQ

What materials can this countersink be used on?
The ULTIMATECUT countersink by RUKO is designed to perform across a wide range of materials and applications while maintaining finish quality thanks to its HSS‑E Co5 composition and optimised geometry (SKU 8000422465NW).

How does the tool reduce the required feed force?
The specially developed cutting geometry of the ULTIMATECUT lowers axial and radial forces during countersinking, which results in a lower feed force and a calmer, more controlled cutting action.

What finish quality can be expected?
Thanks to the variable relief and precise geometry, the countersink produces a round, rattle‑free surface with minimal burr formation, suitable for both prototype and serial work.

Is this tool suitable for high‑speed machining?
Yes, the ULTIMATECUT maintains consistent quality at both high and low cutting speeds, supported by the HSS‑E Co5 material and enhanced chip evacuation features.

How many pieces are supplied per package?
The article is supplied as a single unit per packing unit.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com