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Introducing Jobber Drill #1 Cobalt from Chicago-Latrobe, designed to meet National Aerospace Specification (NAS) 907 Type J for aircraft repair and production. The straw/bronze finish enhances wear resistance, while spiral flutes ensure efficient chip removal. This versatile Jobber Length Drill Bit provides precision performance for a range of applications in various materials. Ideal for metalworking professionals, the #1 size (0.2280 decimal equivalent) offers precise drilling capabilities for industrial settings. With its Cobalt construction, this high-performance bit stands up to tough machining tasks, providing longer lifespan and superior performance compared to traditional HSS bits. Upgrade your machining workflow with Jobber Drill #1 Cobalt from Chicago-Latrobe, backed by a trusted brand in the industry.