The self-centering tip and precise cutting edge of the conical drill bit cut the material precisely without getting lost. The straight flutes provide optimal chip ejection. HSS high-speed steel lasts longer than others. The titanium coating ensures that sheet steel, aluminum sheets, copper, plastic, wood, and many other types of sheet metal can be easily cut. Perfect for home repairs and light work such as drilling holes in plastic, aluminum, copper, and many other types of sheet metal. Not for stainless steel. Package Includes: 1 x 6-60mm HSS Twist Flute Step Drill Bit (12 Steps: 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm) Shank Type Triangular Handle Cooling Type (Internal Cooling/External Cooling) 6-60 Cutting Diameter (mm) 6-60 Shank Diameter (mm) 6-60 Flute to Chip Length (mm) 6-60 Usable Length (mm) 6-60 Total Length (mm) 6-60 Outer Edge Angle () 6-60 Material High Speed Steel Maximum Cutting Depth 6-60 Blade Size 6-60 Delivered Quantity: 1 pieceWelcome to meet