The 21.50MM S&D DRILL HS is a high-speed drill bit designed for precision drilling in various materials. With a diameter of 21.50 mm, this drill bit is ideal for creating large holes in metal, wood, and plastic. Manufactured by Field Tool Supply, it features a robust design that ensures durability and longevity. The high-speed steel construction provides excellent heat resistance and cutting performance, making it suitable for both industrial and DIY applications. Its compatibility with standard drill chucks allows for easy use, making it an essential tool for any workshop.