General description The AlwaysH 5 Pcs Step Countersink Drill Bit set is designed for precise drilling in various materials including steel, brass, wood, and plastic. Made from high-quality HSS steel and coated with titanium, these drill bits reduce friction and heat, ensuring efficient performance. The set includes five standard drill bits that can replace 47 individual sizes, making it a versatile addition to any toolkit. Technical specifications Material: HSS steel with titanium coating Includes: 5 drill bits Functionality: Replaces 47 individual drill bits Hex shank: 1/4 inch quick release Blade design: Double-edged for faster cutting Centering punch: Made of impact-resistant alloy steel Usage Ideal for drilling holes in steel sheets, aluminum sheets, copper panels, plastics, and wood Automatic deburring of holes to keep the drill clean Convenient for positioning before drilling and breaking glass in emergencies Other information Protective packaging includes a filler pad to