... 100% virgin raw material ISO9001:2000 Certificate OEM&ODM Service Carbide Carbide Rods for Drill BitsGRADE AND SPECIFICATION OF RODS GRADEISO CODECOBALT CONTENTDENSITYHARDNESSTRS (%)g ... Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & Face Milling Cutter, T-slot Cutter, Dovetail Cutter, Turning Tool, Countersink, Round Rod, Tool Bit, Carbide ...