what is a burr on a knife
Metal burr extending beyond the edge of the cut piece, view on the cut face (top) and from the bottom (bottom). A burr is a raised edge or small piece of material remaining attached to a workpiece after a modification process.It is usually an unwanted piece of material and is removed with a deburring tool in a process called 'deburring'. burr is a raised edge or small piece of material remaining attached to a workpiece after a modification process.