If you want to drill into granite, for example in sheets or pillars, then ask yourself several questions like: Can you use the same drill that you use to drill into walls or concrete? Is this also possible to do with a hammer, or will using a hammer cause the granite to break or crumble? Here you will learn what to prepare for before choosing to drill granite.
Granite Requires More Than Just Appropriate Tools for the Job
- The action of drilling granite is a very special affair, because even with the best drills, granite has the chance of jumping and becoming misaligned when you inappropriately use the machinery.
- Although some experts say that you can easily use a hammer drill, you still need to work carefully to ensure that the surface of the stone doesn’t crack or break.
- Unless you choose to hire a professional stonemason, there is no way to make any accurate guarantees that the granite will not break upon drilling the stone.
Some Guidelines if Choosing to Drill the Stone Yourself
1) If possible, make a pilot hole, as the granite drilling results in extreme resistance and will need the friction relief. Also, be sure to check the quality of your drill and ensure it is of an industrial grade.
2) Do not use excessive drilling speeds, and practice using minimal pressure. If you use a normal masonry drill, you have to expect one or two “worn” drill bits. If normal drill bits get chewed up a special hardened drill tip would be more appropriate.
3) The optimal solution for drilling granite would be to use a diamond drill, which is also used by tilers. Look to use any drilling situation/solution that avoids impact.
4) From a hole depth of about one centimeter, you can activate the blow, it should give clean holes.
5) Remember to continue the pressure you exert with the drill, however, this may have a potential negative impact depending on how extreme the force applied.
6) Also, the cooling phase is important in granite drilling. Water is the best method for cooling the stone and the drill bit. Water the bit and the stone as you drill, this will help keep both materials from overheating.
7) Remember that the most important aspect in drilling is not the drill, but, the type drill bit and the way in which you drill the granite.
For stone that is extremely tough to drill, diamond drill bits provide the best solution. These are also spiral drills with carbide cutting edges which also do a great job. Be sure to stop by and consult your local hardware store to find which materials are the premium tools for drilling granite.
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