Robert Charles Metric Piloted Countersink - 3 Flutes - Integral Pilot - Straight Shank - 4.0mm Pilot Diameter - 120° Inclusive Angle

The Robert Charles Metric Piloted Countersink – 3 Flutes – Integral Pilot – Straight Shank is engineered for precise and repeatable countersinking of metric pre-drilled holes. The integral pilot centers the cutter for accurate alignment, preventing tool wander and delivering clean, concentric results with minimal chatter.

With a 3-flute cutting geometry, this countersink provides smooth cutting performance, excellent stability, and efficient chip evacuation across a wide range of materials including steels, aluminium, and plastics. Built for reliability and consistent performance, it is ideal for workshop, maintenance, and production machining applications, and its straight shank, 4.0 mm pilot diameter, and 120° included angle support dependable, repeatable results in standard setups.

• Integral Pilot for Precise Alignment: Centers the countersink in metric pre-drilled holes, preventing wander and ensuring clean, concentric results with every cut.
• 3-Flute Cutting Geometry for Smooth Cutting: Delivers stable, efficient performance with excellent chip evacuation, reducing chatter across steel, aluminum, and plastics.
• Straight Shank with 4.0 mm Pilot Diameter and 120° Included Angle: Offers compatibility with common machine setups and predictable depth control for consistent finishes.

This countersink helps you complete tasks faster with fewer reworks by providing accurate, repeatable countersinks and a high-quality finish. Its integral pilot minimizes setup time, while the 3-flute design handles a variety of materials with reliability, making it a dependable choice for both daily workshop use and demanding production environments.