I bought this kit to hang the control panel on the concrete wall of my garage. Each wall panel has 6 mounting holes and I had to install 8 panels. I had to replace the drill bit after the 24th hole as it stopped cutting into the cinder block, just spinning in place and getting hot. As another reviewer noted, I bought 100 screws and expected the drill to go more than a quarter of the way through the box. They really should pack some beats in each box if that's the quality they're aiming for. Regardless of the bit, the screws are fabulous, just go a little elsewhere and you'll be fine.
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