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Introducing the Jobber Drill Bit from Chicago-Latrobe - a cutting-edge tool designed to meet the demands of industrial users in the aerospace and automotive industries. Available in 5/16 in size, this high-speed steel drill bit is protected with a TiCN coating that provides maximum durability and wear resistance. With decimal equivalent of 0.3125 and measured in fractional inch systems, this versatile tool offers precise drilling capabilities for a wide range of applications. The material machining capability of high-speed steel makes it the perfect choice for professionals seeking reliable and long-lasting performance. From machining complex components to making precision holes, the Jobber Drill Bit is your ultimate solution for all drilling needs. Invest in the best - invest in Chicago-Latrobe!