The new ULTIMATECUT© countersink. Technically perfect.

More powerful. Faster.

  • Up to 30 % time saving
  • Up to 2 times more countersinks
  • Optimal, smooth lowering result
RUKO ULTIMATECUT Kegelsenker Spitze Detail

Revolutionary chip space geometry

Specially developed chip space parameters, such as rake angle, transition radius and the extra wide flute ensure optimum chip and heat removal and thus enable very high wear resistance. In addition, the new geometry counteracts material welding and reduces the countersinking forces enormously.

ruko ultimatecut kegelsenker detail

Optimized variable relief

The specially developed, variable relief grinding ensures a very smooth countersinking process. This produces an optimum surface quality and thus guarantees the best countersinking results. (With the new RUnaTEC coating, the quality of the surface can be increased even further).

ruko ultimatecut kegelsenker dreiflächenschaft detail

3 face shank

The 3-face shank prevents the countersink from slipping in the drill chuck, making it ideal for use in hand drills.

The variant.

ULTIMATECUT Kegelsenker Variante

Distinctive RUnaTEC coating.

Depending on the application, our RUKO nano Technology coating (RUnaTEC for short) enables up to 16 times longer tool life and ensures an optimum, smooth surface of the bore.

  • extremely high wear resistance and hot hardness
  • suitable for normal and high-performance machining
  • no material welding
  • optimum, smooth surface
  • extremely high nano-hardness

Die Anwendungen.

HSS blankHSS RUnaTEC coatedHSSE-Co 5 blankHSSE-Co 5 RUnaTEC coated
Steel (N/mm2) <900⚫️⚫️⚫️⚫️
Steel (N/mm2) <1100 ⚪️⚫️⚫️
Steel (N/mm2) <1300⚪️⚫️
Stainless steel⚪️⚫️⚫️⚫️
Aluminium⚫️⚫️⚫️⚫️
Brass⚫️⚫️⚫️⚫️
Bronze⚪️⚪️⚪️⚪️
Plastics⚫️⚫️⚫️⚫️
Cast iron⚪️⚪️⚪️⚪️
Titanium alloyed⚪️
Main application ⚫️ Side application ⚪️
Standard countersink
ULTIMATECUT Countersink

Reduced axial force by 50%

Reduced radial force by 30%

THE ULTIMATECUT© ACHIEVES BEST PERFORMANCE IN ALMOST ALL MATERIALS AND APPLICATIONS.

David Ondra, Product Manager

Information as download