The DEWALT Rock Carbide DW5249 1-Inch x 12-Inch Carbide Hammer Drill Bit is designed for maximum durability and performance when drilling through tough materials like concrete, masonry, and stone. Featuring a 1-inch (25.4mm) diameter and a 12-inch length, this drill bit is perfect for heavy-duty applications requiring deep, precise holes. The Rock Carbide tip ensures exceptional hardness and wear resistance, while the four-flute design helps remove debris efficiently for faster, cleaner drilling. Built for use with hammer drills, this high-performance bit provides powerful impact resistance, making it ideal for demanding construction and renovation projects. Trust the DEWALT Rock Carbide Hammer Drill Bit for reliable, long-lasting results every time.