Field Tool Supply's 21/64 X 18 SS HS XL Drill is engineered for precision drilling in stainless steel. With a diameter of 21/64 inch and an extended length of 18 inches, this high-speed steel (HSS) drill is ideal for deep hole applications. Its robust construction ensures resistance to wear and heat, providing longevity even in demanding conditions. The drill's design enhances chip removal and minimizes friction, resulting in cleaner holes with reduced burr formation. Compatible with standard drill chucks, this drill is a must-have for professionals in metalworking and fabrication.