5-Piece Step Drill Bit Set, with Professional Aluminum Case, Hex Shank, with Self-Centering Pad, for Precise Drilling in Steel and Metal

General Description: The HSS Steel titanium core drill bit cutter is made of high-quality HSS steel with a titanium coating to reduce friction and heat. It is ideal for drilling holes in various materials such as steel, brass, wood, plastic, and more. The centering punch, made of impact-resistant alloy steel, offers extended life and makes positioning easier before drilling. Technical Specifications: Material: High-quality HSS steel with titanium coating; 47 sizes in 5: a set of five standard drill bits that can replace 47 individual drill bits; Centering punch with powerful automatic impact; Quick-release 1/4" HEX handle for easy clamping; Double-edged blade for fast and frequent cutting; Compatibility and Accessories: Compatible with standard drills; Ideal equipment for DIY and renovation work; Installation: Ensure the drill bit is properly secured in the drill before starting. Use the center punch to mark the drilling location, which will help prevent slippage. Use the hole cutter to create precise openings in various materials. The center punch makes drilling easier, and the titanium coating helps keep the tool clean by automatically deburring the holes. Other information: Protective packaging is included to prevent damage during shipping. The center punch is designed for optimal control, with a knurled brass body for a secure grip.