What Drill Bit To Use For Stone Walls

Alternatively if you have wood walls opt for a spur point bit.

What drill bit to use for stone walls.

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. If it is stone this bit will also work on stone or concrete like an exterior wall. 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 re using wall anchors as well as screws the drill bit and anchors should have the same diameter.

The tungsten carbide adds great durability to the drill bit. For stone drilling get what is called a tap con drill bit. Be sure to use a hammer drill. Use water or a lubricant to cool the bit as you drill.

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. Other stone like limestone is extremely brittle and hard to drill. Use a hammer drill with the appropriate drill bit. The diameter of the drill bit and the material you want to use it on will also determine the drill speed.

Rest from time to time remove the drill and spray the bit with coolant or water. So for example if you re using a 3 5 mm screw use a drill bit with a diameter of 3 mm. The chisel shape gives the drill bit the ability to penetrate further into the stone without becoming blunt too easily. However if your wall is brick stone or concrete you ll need a masonry bit.

You are also going to want to use a hammer drill to make your holes. Step 3 drill holes.