Precision-engineered cobalt drill bit designed for demanding applications requiring superior hardness and heat resistance. The 3.5mm diameter delivers accurate hole placement in challenging materials including stainless steel, cast iron, and composite alloys. Cobalt construction maintains cutting edge integrity at elevated temperatures, extending tool life and reducing replacement frequency. Ideal for professional contractors and industrial workshops where reliability and performance are non-negotiable. Engineered to withstand rigorous drilling conditions while maintaining dimensional accuracy throughout extended use cycles.
