This 8.5mm Faithfull Professional Cobalt Jobber Drill Bit is supplied individually, offering a specialist size for precision engineering applications. The 8.5mm diameter is particularly useful for creating specific clearances, enlarging existing holes or meeting exacting engineering specifications in heavy-duty metalworking projects. Manufactured from premium M35 HSSE grade steel with 5% cobalt content, this bit provides exceptional performance in the most challenging materials. The cobalt enric
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