PFERD produces an extensive range of top quality carbide burs and bi-metal hole saws. PFERD burs deliver very high stock removal performance over their entire service life, providing outstanding results in minimal time. Universal line burs are suitable for fine and coarse stock removal on the key materials used in industrial manufacturing. They provide a good stock removal rate and are not specific to a particular material. Universal line burs are suitable for fine and coarse stock removal on the key materials used in industrial manufacturing. They provide a good stock removal rate and are not specific to a particular material.