Monster Master Titanium Plated Drill Bit Set, High-Speed Steel Gold, 29 Pieces ? Package Set?This set includes a total of 29 pieces of tapping tools designed for a variety of thread types, each clearly marked on the case for convenient selection. ?Superior Quality?Crafted from high-speed steel and coated with titanium nitride for enhanced durability, these bits are all brand new and of superior quality. ?Unique Split Point and Twist Design? Featuring a 135-degree split point and twist design, these tools are engineered to increase cutting speed, self-center, prevent walking, and clear away chips and debris efficiently. ? Reliable to Use ?Suitable for drilling holes in carbon steel, ordinary steel, copper, and aluminum magnesium alloy, these tools are versatile and reliable for different materials. ? Wide Application ?Perform hole drilling, tapping, and countersinking all in one operation with a power drill, saving both time and effort on your projects while maintaining precision and quality results.