12 piece set for metal. General purpose, for drilling holes in steel, iron, alloys, most metals, laminates, plastics. Diameters range from 0.156 inch to 0.5 inch
12 piece set for metal. General purpose, for drilling holes in steel, iron, alloys, most metals, laminates, plastics. Diameters range from 0.156 inch to 0.5 inch