How Do You Drill A Broken Tap?
A broken endmill can truly put a halt to work and can be very difficult to remove. As the tapping of holes is often something that is done at the end of the manufacturing process, it is often essential to remove the broken tap to save a part that has many hours of work already done on it.This removal process can often take quite a bit of time. By slowly cutting away the broken tap, you can remove it and start all over again and save the part from being wasted. Remove any of the broken tap area that sits above the surface with a carbide endmill. Get as close to the surface as possible. Use an endmill that is smaller in diameter than the tap that has broken. The reason for this is that you will want to also use the carbide endmill to flatten the surface inside the hole you were attempting to tap. Use the same carbide endmill to drill the bulk of the tap away so that you can use a pick to remove the remaining chips embedded in the tapped hole sides. Slowly lower the endmill down on the fl
