
They work exactly as they should. The people who burn them are the people who don't use water when drilling. My wife bought two ceramic pots for live houseplants, but they didn't have a drainage hole. After watching a few YouTube videos I saw that they used this beat and Revain had them for a reasonable price. The keyword for this tool is water. When drilling, a few drops are enough and a sludge is formed that can be easily rinsed off after drilling. Just apply a little pressure and let the drill do its job and eventually it will push through. I have successfully drilled two ceramic pots.

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