Diablo 4-In. Carbide Tipped Pilot Drill Bit is for drilling through fiber cement and ceramic materials with ease and precision. Designed for durability, this drill bit features a carbide tip that ensures long-lasting performance even in tough applications. The innovative Snap-Lock Plus mandrel system allows for quick and effortless bit changes, enhancing your productivity and convenience during projects. Whether you're a professional or a DIY enthusiast, this pilot drill bit delivers reliable results every time. Model Number: DHS4BITCT