... Drill Bit,solid carbide drill 1)Roll forged and full polish 2)Cutting tool,metal material 3)Material:HSS ,solide carbide HSS Dril Bit, carbide drill, solide carbide drill, carbide drill bit, twist drill ... Round Rod, Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc.2) Super high hardness and precision, ... anti-sticky).4) Longer tool life, super high wear resistant and impact-resistant application.5) ...