Lubrication helps to prolong the useful life of a diamond drill bit by reducing wear induced by excessive heat as drilling is taking place. This article discusses different methods you can use to keep the drill rod cool as you use it. Use this information to avoid wearing out your diamond drill rod much sooner than designed by its manufacturer.
Use a Hose
You can get a small water hose and put it on the edge of the hole when you are drilling.
Read More
