Engineered for durability and precision, this 4-inch carbide-tipped pilot drill bit is an essential tool for professionals working with highly abrasive materials like fiber cement and ceramics. Its 9/32" diameter and 4" length make it ideal for creating accurate pilot holes, while the 1/4" hex shank ensures compatibility with the Snap-Lock Plus™ mandrel system, allowing for quick and effortless bit changes without any downtime. Designed to withstand the rigors of tough drilling tasks, this bit promises long-lasting performance and reliability in demanding applications.