ZVD - 3-Piece 412mm/420mm/432mm Helical Groove Triangular Shank Step Drill Bit Set Triangular Shank Titanium Step Drill Bit Set Convenient Drill Bits

This cobalt step drill bit set is a must-have for home repairs and carpentry work, like drilling holes in plastic, aluminum and many other types of boards. If you are looking for this tool, give it a try! Features: 3 Piece Set: There are three drill bits with different specifications: 4-12mm, 4 -20mm and 4-32mm to meet your different needs. Preferred Material: This drill bit is made of HSS material, wear and corrosion resistant, never rust easily and can provide a long service life. Wide Application: This drill bit can be widely used for drilling iron sheet, PVC, wood plate, plastics and metals. other material sheets. Portable Size: The small size of this tool is very convenient for daily use in carpentry. This tool is the perfect accessory to be compatible with an electric hand drill and a lithium battery electric drill. Features: Material: HSS 4241 Step drill: 4-12 mm / 4-20mm/ 4-32mm D Handle diameter: 4-12mm: 6mm 4-20mm: 8mm 4-32mm: 10mm Package size: 100*80 * 50mm / 3.9 * 3.1 *