The IRWIN Self-Feed Drill Bit (1869388) - WeldTec is a robust, high-quality tool engineered for demanding drilling applications in wood. Featuring a 2-inch cutting diameter and a 7/16-inch shank, this drill bit is optimized for professionals who need precise, efficient performance. Its WeldTec™ technology includes welded carbide tips, providing added strength and durability for prolonged sharpness and enhanced cutting power. The self-feed design enables faster, more controlled drilling, while the replaceable tip offers extended tool life by allowing easy replacements as needed. Ideal for carpenters, electricians, and plumbers, this tool is built to handle the toughest materials with ease.