For every 10 lbs of weight beyond the 11 lbs starting point, add three screws. Therefore, it is safer to have more standard steel screws instead of a few very strong ones.įor the 33 lbs lack shelf, use a minimum of 5 screws and for the 44 lbs one, use eight. If anything, the strength of the screw can damage the shelf when there is significant weight on said shelf. You can also get away with using fewer screws if they’re made from titanium, but whenever a LACK shelf collapses, it is not due to the screw material but because of the wall giving away or the mounting material biting into the shelf. The lighter the shelf, the fewer screws you need. The weaker the wall, the more screws you need. There are two weight classes of the shelf, and they dictate the screw requirements as much as the shelf function and the wall material. On average, you will need 5 to 8 screws to mount a LACK shelf. The number of screws you have to use will vary depending on the weight of the shelf and the material in which the screws are secured. As long as you use enough screws, you can secure a LACK shelf in the following wall materials: A regular steel screw is strong enough in most cases.

In rare instances, one can use titanium or brass screws for extra strength, but in the case of mounting LACK shelves, there is no need for such unconventional screws. Final Thoughts – What Screws For Ikea Lack Shelves.Use a Drill to Make Holes for the Screws.Use a Level to Mark the Wall Before You Make Holes in the Wall.What Size Screws For The IKEA LACK Shelf?.Where To Get Screws for IKEA LACK Shelves?.

Ikea lack shelf bracket