Discover the Premium HSS Twist Drill Bit, expertly designed for precision metal drilling with a diameter of 5.5mm and a length of 85mm. Crafted from high-speed steel, this drill bit ensures durability and performance, making it ideal for both DIY enthusiasts and professional tradespeople. Our extensive range of tools and workshop equipment features over 10,000 products, catering to all your project needs, whether big or small. If you can't find the perfect tool, our dedicated customer service team is ready to assist you. Shop confidently with us for all your drilling and tooling requirements!