Thürmer Tools counter sink set 6,3-20,5 mm 90° HSS

Thürmer Tools 90° HSS Countersink with 3 Flutes is a professional precision tool engineered for efficient, consistent countersinking. Manufactured from high-speed steel (HSS), it delivers high wear resistance and stable cutting performance in repeated operations. The 90° geometry and three cutting edges ensure smooth, controlled machining and produce clean, accurate, low-burr countersinks—ideal for preparing screw seats and achieving a high-quality finish. Suitable for both workshop and installation use, and can be applied to a wide range of materials including metals, plastics, and wood.