The 1-3/8 CT CORE DRILL STR SHANK from Field Tool Supply is a high-performance core drill designed for efficient drilling in various materials. With a diameter of 1-3/8 inches, this core drill is ideal for creating large holes in metal, wood, and masonry. The straight shank design ensures compatibility with standard drill chucks, making it versatile for different applications. Constructed from durable materials, this core drill provides longevity and reliability in demanding tasks. Perfect for professionals in construction and manufacturing, it guarantees precision and efficiency in every drilling operation.