RUKO ULTIMATECUT 4S HSS 5-piece high-precision tapered countersink set.

The RUKO ULTIMATECUT 4S countersink is a high-precision tool designed to deliver superior performance when countersinking various materials. With its innovative four-edge design, this countersink significantly reduces axial and radial forces, resulting in smoother and more efficient operation. Thanks to its advanced technology, the ULTIMATECUT 4S allows for countersinking up to 40 mm in diameter, even with hand tools, guaranteeing a perfect finish without vibration marks.

The countersink's 3-component handle ensures a firm grip and consistent power transmission, optimizing the workflow.

• Number of cutting edges: 4
• Coating: RUnaTEC
• Hold-upon surface: 3-way spindle
• Cutting direction: right-hand
• Material: HSS
• Standard: DIN 335
• Countersink angle: 90°
• Main application: 900 N/mm² steel, 1100 N/mm² steel, aluminum, plastic
• Other applications: bronze, iron melted
• Time savings: Up to 50%