The standard drill bit for stoneware, porcelain, and slate with a diameter of 4 mm is specifically designed for drilling into hard and abrasive ceramics. With its high-quality carbide tip (HM), this drill ensures precise and efficient processing. To achieve optimal results, the drilling process should always be done in rotation and adequately cooled with water during drilling. This prevents overheating and ensures a longer lifespan for the drill bit. The bit is designed for a maximum speed of 1200 RPM, making it a reliable tool for professional applications. Ideal for craftsmen and DIY enthusiasts working with demanding materials.