... 2000 Certificate OEM&ODM Service Carbide Carbide Rods for Drill BitsGRADE AND SPECIFICATION OF RODS GRADEISO CODECOBALT CONTENTDENSITYHARDNESSTRS (%) ... tools 2.For reamers 3.For mold punches 4.core pins Advantage:1) Our factory specialize in manufacturing ... , Corner Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter ...