Review on 💥 Enhance Drilling Efficiency with Drill America DEWCSCBR6 High Speed Counterbore by Chef Buntiloy

Tried to use this valve guide trimming tool for drilling and polishing. It took me as much time trimming one rail as it did trimming the rest of the rails in my head with a carbide tipped tool. If you are using this to cut any type of metal invest in a good carbide tipped countersink. You will be much happier with the results. I'm sure it would be great if you worked with wood.