Can the branch tag be used with tree mounting hardware?

 tag branch ski tag
We do not suggest using the tree mounting hardware with the branch tags with a side hole. They were designed this way to be used on shrubs or smaller, young trees to hang with our ski tag attachment from a branch.
In order to keep a tag horizontal you would need to tightly compress the spring creating too much tension. This defeats the purpose of having the spring in the tree mounting hardware.
Tag tree mount

In this photo, the spring is too tightly compressed and will not allow for tree growth.

The spring should only have a slight amout of tension to allow for tree growth. As the tree grows, the spring compresses and overtime you will need to back out the screw again.

Sign Spring Tree Hardware

In this photo, there is barely any tension on the spring to allow for tree growth.

Some people buy tags without the pre-drilled holes (on the left) and opt to drill their own hole in the top center. You would need to pick an appropriate template for the hole. If you have someone with a drill press, it would be an easy job.

Tag Hole Sign Hole
Personally, if the tree is large and mature enough for mounting hardware, the larger signs look better and are easier to see and read. The signs with the hole in the top center stay horizontal simply due to gravity without the need to compress the spring. See How To Attach plant ID to a Mature Tree.
Again, the tree mounting hardward is only suggested for older, mature trees that have a slow growth rate. You will need to check them and back out the screws from time to time.