RUKO Reamers & Countersinks Countersink 616423 - RUKO 102783P, The RUKO 102783P Countersink is a high-speed steel tool with a 25.0 mm triangular shank, designed for machining applications. Manufactured by RUKO, it is used for creating countersinks in various materials. Ideal for precision tasks, this single-piece countersink bit ensures smooth and efficient cutting. RUKO 102783P ULTIMATECUT Countersink 25mm HSS Triangular Shank
