The 1 Inch Oil Hole Drill from Field Tool Supply is constructed from high-speed steel (HS) and stainless steel (SS) for outstanding durability and performance. This drill is specifically designed for oil hole drilling, facilitating effective lubrication in drilled holes. With a diameter of 1 inch, it is perfect for precision applications in metalworking and manufacturing. The robust design adheres to industry standards, ensuring reliability and efficiency in your drilling tasks. Its stainless steel construction provides resistance to corrosion, making it suitable for various demanding environments.