... Certificate OEM&ODM Service Carbide Carbide Rods for Drill BitsGRADE AND SPECIFICATION OF RODS GRADEISO CODECOBALT CONTENTDENSITYHARDNESSTRS ... Corner Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling ... Round Rod, Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc.2) Super high hardness and precision, extreme smooth ...