Best drill bit for hard rock

When it comes to drill bits, the most importantthing you must consider is what exactly you’ll be using the bit for. When it comes to masonry or other stonework, you do not want to simply find a good all-around bitand then use it for every project. Instead, you’re better. . Stone drilling is difficultand can only be undertaken if you’ve got all the right equipment from the start. Before you make any purchase, decide on exactly what it is you’ll want to achieve. [pdf]