This Cleveland interchangeable pilot counterbore with pilot is a reliable and high-quality tool for metalworking and CNC manufacturing. The 3-flute design ensures efficient cutting and precise results. Made from high-speed steel, it is a durable and long-lasting addition to any workshop. This counterbore is proudly made in the United States and is suitable for use with a range of materials. Its brand, Cleveland, is well-known and respected in the industry. Whether you are a professional metalworker or a hobbyist, this tool is a must-have.

I found this loose in my dads toolbox.  I cleaned it with my rotary tool, using scotch brite style buffing pads and stainless steel brushes.  I also ran a stainless steel bore brush through the center.  I used CLP oil for a final wipe down clean and rust protection.