Product specification Number of blade 5 matrix body pdc bit with 5 curved Blades and medium short parabolic profile Force-balance design and low Products sorts Drill bits matrix body pdc bits steel body pdc bits tricone bits natural diamond bits pdc core bits drag bits bearing deep groove ball bearings angular contact ball cylindrical roller bearings spherical roller bearing taper roller bearings thrust ball bearings spherical thrust roller bearings plain bearing drill tools centralizer hole opener safety clamps slips tongs elevator hammer union drill pipe & connection Wood case/steel case/as requirment