The 5/16 HD TiN Jobber Drill is a high-speed steel drill bit with a titanium nitride (TiN) coating, designed for heavy-duty drilling applications. Manufactured in the USA, this drill bit offers exceptional durability and performance, making it ideal for metalworking and woodworking tasks. The 5/16 inch size ensures versatility, allowing it to be used in various materials. The TiN coating reduces friction and heat buildup, extending the life of the drill bit. This tool is perfect for both professionals and DIY enthusiasts seeking reliable and efficient drilling solutions.