DIYers and professionals working with deep drilling applications, this uxcell 6mm twist drill bit is an absolute beast for those jobs where standard drill bits just won't reach! The 300mm total length (about 11.8 inches) with a 220mm flute length gives you incredible reach for drilling through thick materials or getting into tight spaces. Made from high-speed steel (HSS), this bit is perfect for drilling through non-ferrous metals like copper and aluminum, though it works well with wood and plastics too. The 6mm diameter (about 0.24 inches) is a versatile size for many applications, and the straight round shank works with most standard drill chucks. The sharp spiral groove design provides excellent chip removal, which is crucial for clean, efficient drilling in deep holes. I've used this for everything from plumbing installations to custom furniture projects where I needed to drill through multiple layers or reach awkward spots. The quality is solid - it stays sharp through multiple uses and doesn't flex or bend under pressure like some long drill bits can. If you regularly find yourself needing extra reach for drilling applications or work with thick materials where standard drill bits fall short, this 300mm HSS bit is an absolute game-changer. It's one of those specialized tools that seems niche until you need it, and then you wonder how you ever managed without that extra length. The value is fantastic for a quality long-reach drill bit that performs reliably job after job!