- Versatile Design: This three-piece step drill bit set is specifically crafted for PPR pipe fittings and repair tasks on 1/2", 3/4", and 1" water pipes, making it an essential tool for plumbing professionals and DIY enthusiasts alike. - Quick Change System: Equipped with a 1/4" hex shank, this bit set allows for fast bit changes and is compatible with standard power tools and drill chucks, enhancing efficiency during projects. - Precision Crafted: Each bit features a graduated design that ensures accurate sizing and clean cuts, facilitating proper pipe connections and repairs without the hassle of uneven edges. - Durable Construction: Made from high-quality steel and coated with titanium, these drill bits are built to last, offering superior cutting performance and longevity that withstands rigorous use. Use Scenarios: 1. Perfect for plumbing repairs, this drill bit set enables quick and easy modifications to existing water piping systems. 2. Ideal for installing new PPR pipe fittings, ensuring precise holes for seamless integration and leak-free connections. 3. A reliable choice for maintenance tasks, allowing for efficient drilling and repair of water pipes in residential or commercial settings.