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 ensures accurate alignment and prevents tool wander, delivering clean, concentric results with minimal chatter. Its 3-flute cutting geometry provides smooth cutting performance, excellent stability, and efficient chip evacuation, making it suitable for a wide range of materials including steels, aluminium, and plastics. Designed for reliability and consistent performance, this countersink is ideal for workshop, maintenance, and production machining applications.