The HS Boring Bar #CO B 4L from Field Tool Supply is designed for precision boring applications. This tool features a length of 4 inches, making it ideal for various machining tasks. Constructed from high-speed steel (HSS), it offers excellent durability and cutting performance. The bar is compatible with standard tool holders and is suitable for use in CNC machines. Its design ensures minimal vibration and optimal chip removal, enhancing machining efficiency. This boring bar is perfect for professionals seeking reliable and high-quality tools for their projects.