The 11/16 CT Core Drill Shank from Field Tool Supply is a reliable tool designed for efficient drilling in various materials. With a shank size of 11/16 inches, it is compatible with standard drill chucks, making it versatile for different applications. This core drill is built for durability and precision, ensuring clean and accurate holes. Its design meets industry standards, providing safety and reliability during use. Ideal for both professional and DIY projects, this drill shank is essential for anyone looking to achieve high-quality results.