RONA manufactures the 450960 PCB drill bit set, which includes three pieces with a diameter of 0.5 mm each. These bits feature a 2.35 mm shank and are made from high-speed steel (HSS) for durability. They are typically used for precision drilling in printed circuit boards (PCBs). https://elecena.pl/product/28992587/rona-450960-drill-bit-set-0-5mm-3pcs-high-precision-quiet-running 2025-06-25 https://elecena.pl/product/28992587/rona-450960-drill-bit-set-0-5mm-3pcs-high-precision-quiet-running 2026-07-05