The Robert Charles DIN 3 Flute Countersink 90° is manufactured to DIN standards for producing precise 90° countersinks and chamfers with excellent surface finish. The 3-flute cutting design ensures smooth, stable cutting with reduced vibration and improved chip evacuation, helping to deliver accurate and consistent results. Suitable for use on a wide range of materials including steels, aluminium, and plastics, this countersink is ideal for engineering, maintenance, and production environments where reliability and precision are essential.