The 11/16" Cobalt S&D Drill from Field Tool Supply is engineered for precision drilling in tough materials. This high-speed steel (HSS) drill bit features a cobalt alloy for enhanced durability and heat resistance, making it ideal for metalworking applications. With a 135-degree split point design, it ensures quick penetration and reduced walking on surfaces. The drill measures 11/16" in diameter, providing versatility for various drilling tasks. It is compatible with standard drill chucks and meets ANSI standards for quality and performance.