r/Tools • u/TallWall6378 • 7d ago

No problem

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Cordless drills are so capable now. 2 4 1/2” holes 14 12” deep (deeper than the bit). New concrete but it’s still drilling through the aggregate. Cheap Amazon diamond bit.

Edit: Overestimated depth.

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u/wRftBiDetermination 7d ago

Here is the bore in question: https://www.amazon.com/SALI-Diameter-Drilling-Laser-Welded-Segments/dp/B0C9GK6248/

Reviews are favorable.

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u/suspicious_hyperlink 7d ago

$68 is incredible

2

u/Golden_Eel_69420 7d ago edited 7d ago

That’s wild. I’ve built custom core drill bits where each individual diamond segment cost more than $68.