It is difficult to repair a mistake in drilling on a stone wall so make certain you have the holes in the right place before you begin.
What drill bit to use for stone walls.
The diameter of the drill bit and the material you want to use it on will also determine the drill speed.
So for example if you re using a 3 5 mm screw use a drill bit with a diameter of 3 mm.
According to the bosch encyclopaedia the cutting edge of a stone or masonry drill bit has a tungsten carbide tip and is usually chisel shaped.
If you don t know yourself consult with a hardware store about what kind of equipment you need to use with the stone in your wall.
Alternatively if you have wood walls opt for a spur point bit.
If you re using wall anchors as well as screws the drill bit and anchors should have the same diameter.
Use a hammer drill with the appropriate drill bit.
Be sure to use a hammer drill.
You ll need a drywall bit for a sheetrock or plasterboard wall which most household walls are made of.
Other stone like limestone is extremely brittle and hard to drill.
Before you drill a hole in the wall make sure you have the correct drill bit for your wall.
Use water or a lubricant to cool the bit as you drill.
You are also going to want to use a hammer drill to make your holes.
However if your wall is brick stone or concrete you ll need a masonry bit.
Rest from time to time remove the drill and spray the bit with coolant or water.
If it is stone this bit will also work on stone or concrete like an exterior wall.
Step 3 drill holes.
The chisel shape gives the drill bit the ability to penetrate further into the stone without becoming blunt too easily.