General description The 13Pcs Titanium Twist Drill Bit Set is designed for versatility and efficiency, featuring high-speed steel construction with a titanium coating that enhances durability and cutting capacity. This set is ideal for drilling into wood, plastic, and aluminum alloy, making it perfect for home DIY projects and general construction or engineering tasks. Technical specifications Material: High-speed steel with titanium coating Size range: 1/16" to 1/4" Flute shape: 2-flute design for efficient chip removal Compatibility and accessories 1/4 inch hex shank compatible with most power tools Includes a drill bit holder with size index for easy storage Usage Suitable for drilling into metal, wood, and plastic Designed for precise countersinking and smooth hole cleaning