Drilling aluminum hull

[dirty dave]

Hole saw worked well for me. Go slow and use some oil.

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[DaisyCutter]

I ran my bilge into my splash tray. I wasn't about to drill a hole in the hull of a $3000 boat for a $25 pump. If I were, I'd buy two so I'm only half as likely to be stuck with a hole in my boat over a broken Chinese made pump.

https://youtu.be/vzXM5svx9po