The HSS Impact Control twist drill provides extremely robust drilling in metal, especially in combination with impact drills. The powerful body is extremely sturdy. It is made of solid metal and has a coating of oxide that gives it excellent surface quality for material cutting with reduced wear. Suitable for use in alloy and non-alloy steel, cast iron, heat-treated iron, non-ferrous metals, thin sheets, and plastics. The drill is compatible with a 1/4-inch hexagonal socket system for general use with a drill driver, impact drill, and drill stands.