General description Metal Drill Bit for Drill, HSS Step Drill Bit, Double Slot Conical Step Drill Bit (5mm-35mm) is designed to meet various drilling needs efficiently. This versatile tool allows you to drill holes of different sizes without the need for multiple drill bits, saving both time and money. Technical specifications Size: 5-35mm (5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 27mm, 30mm, 32mm, 35mm) Material: Heat-treated high-speed steel (HSS) with titanium nitride coating Surface: Titanium plated Shank Type: Round Triangular Handle Compatibility and accessories Suitable for workpieces with hardness less than 25 Ḟ and thickness less than 4 mm Compatible with various materials: carbon steel, iron sheet, insulation board, PVC board, wood, and wood board Not recommended for stainless steel Usage Ideal for sheet metal work, allowing for various sized holes without changing drill bits Can be used as countersinks for driving screws and fasteners beneath surfaces Useful in
