Robert Charles DIN 3 Flute Countersink 100° - 16.5mm Head Diameter

The Robert Charles DIN 3 Flute Countersink 100° (16.5 mm head diameter) is a precision cutting tool engineered to DIN standards for accurate 100° countersinking and chamfering. Its 3-flute design delivers smooth, stable cutting and efficient chip evacuation, producing clean, repeatable chamfers in steel, aluminium, and plastics.

Designed for engineers, machine shops, production lines, and serious hobbyists, this countersink helps you achieve high-quality holes with minimal effort and downtime.

• DIN 100° precision geometry: Ensures a consistent 100° countersink angle and chamfer depth for every hole, delivering repeatable results across steel, aluminum, and plastics.
• Three-flute design for smooth cutting: Minimizes chatter and enables efficient chip removal, producing a clean finish and reliable performance across demanding materials.
• Versatile material compatibility: Built to handle steel, aluminium, and plastics, reducing tool changes and keeping production flowing in diverse applications.

This countersink helps you prep holes quickly and accurately, improving assembly quality and reducing rework. With a dependable DIN-standard geometry and a durable build, it delivers consistent chamfers and surface finishes that professionals rely on for engineering, workshop, and production tasks.