The Combination Drill & Countersink HS TiN #4-1/2 KEO from Field Tool Supply is a versatile tool designed for drilling and countersinking in one operation. This high-speed steel drill features a TiN coating for enhanced durability and reduced friction. With a size of #4-1/2, it is ideal for a variety of materials, including wood, metal, and plastic. The combination design allows for efficient drilling and countersinking, saving time and improving productivity. Perfect for woodworking and metalworking applications, this tool is essential for professionals seeking precision and efficiency.