Robert Charles DIN 3 Flute Countersinks 120° - 20.5mm HeadDiameter

The Robert Charles DIN 3 Flute Countersinks 120° with a head diameter of 20.5 mm is a precision tool designed to countersink holes to the 120° standard. Its size and geometry provide dependable control for larger countersinks and consistent chamfering across common hole sizes.

Engineered to DIN standards, the 3-flute design delivers smooth cutting, excellent stability, and efficient chip evacuation. It performs reliably across steel, aluminium, and plastics, making it an ideal choice for engineering, maintenance, and production environments where precision and repeatable results matter.

• DIN 120° geometry: Delivers precise, repeatable countersinking and chamfering to the standard angle for clean finishes every time.
• Three-flute design for smooth cutting and chip evacuation: Optimizes cutting action and clears chips quickly to reduce heat and maintain a consistent finish.
• Sturdy 20.5 mm head diameter for stable guidance: Provides reliable control and long tool life across steel, aluminium, and plastics.

Using this countersink helps you achieve clean, accurately chamfered holes in a single pass, improving part fit and finish while reducing rework. Its durable construction and stable cutting reduce downtime and extend tool life, making it a dependable choice in busy workshops, maintenance bays, and production lines where consistent performance is essential.