RogerRabbit1234 t1_j9u4fzw wrote
Reply to comment by Wokebro369 in Is there a cheap way of making a 1” drill hole bigger (2”) in a granite wheel without taking it to a drill guy? by Wokebro369
They are called core drills…and it’s what you need. A water hose hooks to them to lubricate and dissipate heat, and they usually need a generator to plug into, as they are 220. But, they will make short work of this.
It’s what is is used to put entrance holes in foundations and stem walls.
Should be like 80 bucks to rent one for 1/2 a day.
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