PFERD Drill Bits & Parts Burr 610005 - PFERD 22423536, The PFERD 22423536 burr features a pointed cone shape and is made from high-speed steel (HSS). It has a product size diameter of 12 mm, a working length of 25 mm, and a shank diameter of 6 mm. This tool is typically used for precision metalworking tasks like deburring, shaping, and smoothing. PFERD 22423536 Burr HSS Pointed Cone 65mm ø12mm Shank ø6mm 1pc