What is Reddit's opinion of
2-1/4" Diamond Plated Core Drill Bit (57 mm/2.25")?
From 3.5 billion Reddit comments
1 review of this product found across Reddit:
1 point
·
2nd Apr 2018
The cheapest way is to use something like this, then knock the pieces out and continue the drill process:
https://www.amazon.com/Diamond-Plated-Core-Drill-2-25/dp/B001G0T2M0
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