For thicker stones, consider drilling from both sides of the stone; otherwise larger industrial-style drilling equipment will be required for drilling through stone that is very thick, requiring professional operators. For thicker stones, consider drilling from both sides of the stone; otherwise larger industrial-style drilling equipment will be required for drilling through stone that is very thick, requiring professional operators. Masonry drill bits, available at big box home improvement and hardware stores, are specifically designed for concrete and stone. Reinsert the drill bit into the cleared hole and continue drilling. One thing is to have the correct bit the other is to know how to use it. If possible buy or hire a drill with a safety clutch to prevent jamming. Even though a corded hammer drill might also work fine, the cordless drill would allow you to move around freely. It is possible to drill holes in decorative crystals. If possible drill into the mortar (the gray stuff between the stone) it is softer and easier to drill into. In construction or remodelling it is often necessary to drill through stone and stone-like materials such as brick and concrete. The drill combines a rotating and hammer action that chisels its way through the stone, creating a clean round hole. If you are drilling into a loose stone, make sure you set the stone up in a secure clamp before drilling. In construction or remodeling it is often necessary to drill through stone and stone-like materials such as brick and concrete. Turn the drill on and begin drilling. Good luck Attempting to use any other type of bit to drill into a rock like a wood bit could result in serious injuries. You should do it slowly at first applying a gently up and down motion, then enforce more pressure as you increase the speed. Use extreme caution. Alo is media director, chief writer and editor for a U.S.-based marketing and consulting firm. essential things you have to know about rocks, try to use a charged cordless hammer drill. Constructions could be exciting while you are learning about it, but the real part is when you are actually working on a project, and you get faced with some problem you cannot quickly solve, like drilling. Put on your safety goggles and mask. Rock is a hard substance, so you would need all the power you can get, so if your tool is not powered enough, you should insert a freshly charged battery into it. Yes, you can drill holes on the stone fireplace, but you will need a masonry drill bit. Your plan would depend on the size of the rock, but you can put some modeling clay at the base of the stone while you drill to hold it steady for your drill, and also to keep the bit from piercing through your worktable. Having a smooth drilling process through a concrete wall could pose as a major problem, most times you would get faced with hard pebbles and rocks, not understanding how to handle them could be an end to your drill bit. In construction or remodeling it is often necessary to drill through stone and stone-like materials such as brick and concrete. He holds a bachelor's degree in business and communications. You should not apply a lot of pressure on the drill as this can increase the likelihood of the corer jamming. For large holes it is never a good idea to use a hammer-action drill. Remove the corer from the stone after the corer's length has been drilled. If need be, remove the core of drilled stone with the chisel and mallet. The hole will not be uniform, or increased friction will result from the dull drill bit. The last step after you have positioned your bit is to commence the drilling process, before you do so, put on your dust mask and safety glasses and exert pressure on the drill while you squeeze the trigger. So if you are faced with drilling into a rock, what would you do? While with a normal drill and drill bit it is next to impossible to drill a large hole, using a carbide or diamond-tipped hole coring attachment on a drill makes the task much easier. If the corer jams it can cause injury as the drill will twist suddenly away, resulting in wrist/arm injuries. If need be, remove the core of drilled stone with the chisel and mallet.