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With a 1-1/4in universal thread, this 4-in core drill bit allows rapid assembling to more than 90% of core drilling machines. Start drilling at the vertical position, then continue to dig deep, and you will get a perfect hole in a second.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.