5/16-In. Black Oxide Drill Bit
5/16" Black Oxide Drill Bit,135 degree split point drills on contact and prevents walking,Patented Core Diameter Reduces Breakage, Black Oxide for greater wear resistance
5/16" Black Oxide Drill Bit,135 degree split point drills on contact and prevents walking,Patented Core Diameter Reduces Breakage, Black Oxide for greater wear resistance