Specification brand hongduimodel hd xd02material tungsten steelcoating dlc ta cfriction coefficient 0 02shank diameter 1 4 overall length 3 blade length 1 1 8 blade diameter 1 4 bearing diameter 1 4 bearing bottom bearingcut type updown cutfeature unique compound spiral design the compound spiral cutting method cuts from both sides of the workpiece surface to the middle leaving extremely smooth edges on both the upper and lower surfaces of the workpiece the spiral design greatly reduces cutting noise compared with traditional straight edge tools its operating noise can be reduced by about 70 reducing noise interference to the surrounding environment high hardness wear resistancehigh temperature resistance tungsten steel material dlc ta c coatingpackage included 1 x bottom bearing compound spiral router bit
