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Drill into plastic with Dad's drill?

I lost my stepfather several years ago, but I have his drill. I'm no expert with it, but I'd like to drill holes into a plastic bucket and some ice cube trays for a project. Is it okay to use the drill for that and do you have a recommendation re the size of the drill bit?


Thank you for the great answers so far  ...  they're amazingly education! Just to let you know, i'm basically just putting holes in the bottom of old plastic items to repurpose them to propagate plants in the garden.

What I was actually more worried about was the drill and/or drill bits, if the plastic would congregate in the threads. I guess those could be easily enough cleaned out with a paper clip or something. Thanks again for the help.

5 Answers

  • 1 month ago
    Favourite answer

    There is no harm in drilling into plastic. It is soft. The drill will try to move around on the surface, so hold it steady and do not push hard to start. Let it make a small dip in the plastic that will hold it in place before you push harder.

    Use the drill bit that suits the size of hole you want. 

  • 1 month ago

    While drilling through plastic can be done using any power drill, it's important to have the correct drill bits so you don't chip or crack the material. ... The most effective drill bits for plastics are spur-point bits, also known as dowel bits. They are specifically angled to make smooth cuts in the material.

  • 1 month ago

    Yes, it's okay to use a drill for that. Use whatever size bit you need to get the size of hole you want. However, some plastic doesn't drill very well. It's too brittle and it shatters easily. The ice cube tray will probably be fine. The bucket has a better chance of breaking around the hole as you drill. Putting some tape masking tape, where you want to drill may help, as would putting a piece of wood on the other side from where you're drilling, and the smaller the bit the less likely it is to break the plastic.

  • Anonymous
    1 month ago

    Yes, it will drill very easily into plastic, so you need to be sure to hold it steady. Size will depend what the holes are for.

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  • Rick B
    Lv 7
    1 month ago

    OF course that is OK.  No idea what size to use because we don't know the purpose of the holes.

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