RUKO ULTIMATECUT 4S HSS DIN 355 90° conical countersink Ø 16.5 mm

The ULTIMATECUT 4S Conical Countersink (Ruko-102879) is a high-performance tool designed to deliver exceptional results in a variety of machining applications. Its innovative uneven-pitch design allows for smooth and quiet cutting action, minimizing vibrations and ensuring the creation of perfectly circular holes. This countersink is ideal for use with cordless screwdrivers, drills, pillar drills, and CNC machining centers, making it a versatile choice for professionals and DIY enthusiasts alike.

Distributing the cutting loads across its four sharp cutting edges significantly reduces axial and radial forces, which not only decreases tool wear but also extends tool life.

• Number of cutting edges: 4
• Coating: uncoated
• Clamping surface: 3-way spindle clamping
• Cutting direction: right-hand
• Material: HSS
• Standard: DIN 335
• Countersink angle: 90°
• Main application: Steel 900 N/mm², Steel <1000 N/mm², Aluminum, Bronze, Plastics
• Other applications: Bronze, Cast iron