SANUKE Step Drill Bit Set Spiral with Automatic Spring Loaded Center Punch, 3pcs High Speed Steel Titanium Coated Step Bits for Metal 4-12mm/4-20mm/4-32mm Total 29 Step Sizes

Key features

• ☆【High Quality】 Made of high speed steel with titanium coating, ensure our step drills’ Durability. This also proves the capability and durability of the drill to last through multiple drillings on surfaces such as: plastic, aluminum, copper, stainless steel, and so much more.
• ☆【Improved Design】Spiral Two-fluted provide small pressure and make your drilling faster and smoother , a step drill can be used in a variety of hole sizes.High-step design allows you to stop and won’t drill big!
• ☆【【Hexagonal Shank 】The hexagonal shank titanium drill uses a double-edged design to make cutting smoother, Increases cutting speed with self-centering, There is no need to use a center punch, and it is not easy to break compared with ordinary drills.
• ☆【Wide Application】Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron sheet and many other types of sheet metal (excluding steel or any other harder metal).
• ☆【Package Include】3PCS High Speed Steel made step drills:4-12mm, 4-20mm,4-32mm and 1PC automatic center punch satisfying your different needs and save your money.