KATSU Reduced Shank Drill Bits Set 8Pcs, 9/16" 1" Imperial High Speed Steel HSS Blacksmith Twist 1/2" for Wood Metal in Aluminum Case 12697006

Made from high quality HSS4241 Reduce Shank Drill Set, corrosion resistant for long term use Split point design at tip offer fast and efficient drilling Superior gold titanium and black nitride dual coating finish, more stable and durable With shank diameter of 1/2", 8 x Drill Bits 9/16'',5/8'',11/16'',3/4'',13/16'',7/8'',15/16'',1'' meets your different application purposes Suitable for manual electric drill, bench drill and other drill chunck machine for drilling holes in stainless steel, cast iron, aluminum alloy, wood, plastic materials, etc