New answers tagged anchor
just smash it into the slab with a hammer or cut it off with a cutting wheel on a grinder. its a tool room. if you worried about water (don't know why as concrete is porous already, and unless you are planning an indoor pool, this is no concern of any import), just smash it in subgrade and then pour epoxy or polyester resin over the hole. its thin enough ...
This is a pet peeve of mine, I use lag shields and anchors for this kind of thing because those expansion bolts are such a pain if you want to move things, and eventually you move everything. I see you got the big-hammer solution, people love giving that advice. ("Just pound it in! BFH (big hammer) solves everything! What could possibly go wrong?") I'd ...
You can drill a hole and use a standard masonry screw such as Tapcons:
You can use a climbing nut: But if I were you, I'd probably just epoxy a metal bar directly to both stones and screw a hook into it. https://en.wikipedia.org/wiki/Nut_(climbing)
You might be able to use a rock climbing cam to hold it in place. A picture of one is below. With the large gaps in between the stones, you can also drill into the mortar using a masonry bit and attach the tools with a masonry screw. Since you are screwing into the mortar, and not the stone, then you can easily patch over the hole later if you want to ...
Adding an answer because it would have been quite a long comment... I knew I had seen "brick clips" before, but I'm not sure either style would work for you. This kind is made to "hug" the top and bottom of a standard brick, so probably will not work for you, but at least you know it's available... There's also this style that has little "ears" that you ...
With stucco the wall is two thin for tapcon screws, Since you already have a hole I think your best bet is a molly bolt or toggle that expands once inside the wall fill the hole with calking so no moisture or bugs can find thier way in.
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