Features: Experience efficient drilling with our hexagonal shank helical flute alloy drill bit, designed with a nonslip hexagonal shank and helical flutes to enhances chip removal and ensure precise. Crafted from durability alloy material, this drill bit features 3mm-12mm diameter ideal for fine tasks, is for various power tool, and boasts a antirust surfaces for extended longevity. Perfect for professional carpenters, renovation experts, and DIYer enthusiasts, this tool caters to users of all skill levels seeking reliability and performances. Widely applicable in woodworking, plastic, and thin metal sheet processing, it is suitable for both home repairs and professional construction projects. Enhances your toolkit with this drill bit, engineered to deliver exceptional result diverse materials and applications, ensuring you achieve the best outcomes everytimes. Specifications: Component:Alloy Size:Approx.3mm/4mm/5mm/6mm/8mm/10mm/12mm Package Includes: 1pcs Alloy Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.