NoMar has that option.
That's a rogue's gallery.
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NoMar has that option.
...I'm looking at the moment for rubber plugs to plug the holes in the garage floor when not in used. ...
I have four concrete anchors in the floor for my tire changer. I never plug them. Just blow them out with compressed air. 15 years, never a problem.
Thought of leaving them as is, but I put our bikes on center stands on Park-n-Move motorcycle dollies, and concern is that the 5/8" holes in the floor cause the casters to drop into the indentation. So, I'm looking for something that helps with getting around that. Thought at first that the suggested head socket cap bolts would be a solution, but that poses an issue with the heads sticking out. I'll go back to the hard rubber plugs concept and see if I can resolve it that way.
I used anchors for 3/8" UNC bolts and set them flush with the floor.
I think you are concerned about nothing.
Make some "plugs" to fill the holes until you are ready to mount the changer?
Cut the proper size/threaded bolt into say... 3/4" long pieces. Cut a slot on one end (for a standard screw driver) and chamfer the threads on the other end so they start easily into the anchors. Screw the plugs into the anchors flush with the floor.
What I did is drill four holes in the garage floor, using drop-in anchors, with the plan to bolt the base plate to the floor when needed for the tire changes. It's a 10 minute job to bolt and then reattach the arm. I'm looking at the moment for rubber plugs to plug the holes in the garage floor when not in used.