Catalog number: 2011000011765 Features: ●A step drill set that can drill multiple sizes of holes with one drill. ●Highly durable titanium coating. ●Can drill holes up to 3-22 mm, enlarge holes, and remove burrs. ●Set of two drills: 3-12 mm and 4-22 mm. Applications: ●For drilling holes, enlarging holes, and removing burrs in thin steel plates, stainless steel plates, aluminum, etc. Specifications: ● Drill 1: Total length 70mm Sizes 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm ● Drill 2: Total length 80mm Sizes 4, 6, 8, 10, 12, 14, 16, 18, 20, 22mm ● Shaft two-sided width: 1/4 (6.3mm) ● Compatible materials: iron, stainless steel, aluminum, resin, wood, etc. ● Maximum plate thickness: iron plate up to 2mm / stainless steel plate up to 1mm ● Usable power tools: electric drill, rechargeable drill driver Material / Finish: ● HSS steel titanium coating Set contents / Accessories: ● 3-12mm x 1, 4-22mm x 1
