The holes in the linnmon table top are to accommodate different leg configurations from IKEA other than the trestles. Basically the screws are just there to keep the table from sliding around on top of the trestles and not really attached to the trestles.
You should be able to get the screws in the holes, but they are just starter holes. In our experience, just using the little rubber pieces in the top of the trestles and resting the table top on top of the trestles is enough to keep it pretty stable. But if you are afraid of bumping the desk or it’s in a high-traffic area, you’ll want to put the screws in.
Posted in: Standing Desk