Aloris Boring Bar is a Cutting Tool used in machining operations to enlarge and finish holes that have already been drilled or cast. It is designed to fit into the spindle of a lathe or a milling machine and is used to cut or remove material from the inside of a workpiece.Boring Bars can be used in a variety of applications, including drilling, reaming, facing, and chamfering. They are commonly used in the automotive, aerospace, and manufacturing industries to produce engine blocks, cylinders, and other precision parts.