I bought these for a bathroom grab bar as the description said they could hold a lot of weight. When they arrived I found I had to drill a 3/4 inch hole to pierce the anchor. But the anchor was so wide that its flange protruded from under the heated towel rail bracket. I tried cutting off the flange but that loosened the anchor. It actually landed in a 3/4" mounting hole. Instead, I used standard wing anchors with much better results. WingIt is fine for hanging pictures, but not for my project.
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