Carbide straight shank twist drill bit 1)Roll forged and full polish 2)Cutting tool,metal material 3)Material:HSS ,carbide Carbide ... straight shank twist dril bit, carbide drill, solide ... Mill, Corner Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer, Side & ...