The Ruko-814115 twist drill bit is designed to deliver exceptional performance in a wide variety of materials. With a diameter of 11.5 mm, this drill bit features a 118° cutting angle and a 20-30° spiral angle, making it ideal for applications requiring precision and efficiency. Made from solid TC K 20 hardened steel, its cylindrical shank allows for a secure grip and easy handling during use. The TiAlN coating not only improves the tool's durability but also increases cutting performance by 50%, thus extending its lifespan. This drill bit is suitable for drilling a wide range of materials, including: High-strength steels up to 1200 N/mm², cast steel, mild steel, hardened cast iron, annealed cast iron, CrNi steels, titanium alloys, bronze, brass, copper, high-silicon aluminum, and abrasive plastics. The right-hand cutting edge of the drill bit ensures efficient and controlled drilling, making it an essential tool for professionals and DIY enthusiasts.