
Ratings & Reviews for Kobalt Diamond Core Drill Bit 1-3/8-in Dry Diamond Core Drill Bit for Stone
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers praise this drill bit for exceptional performance on ceramic, porcelain, and glass tile, reporting clean cuts and minimal chipping. Most highlight its durability after drilling multiple holes and note that wet drilling significantly improves results. Many emphasize the importance of proper technique, including starting at a 45-degree angle and using low RPMs. Some users report bent shafts on thicker materials or when improper pressure is applied. Overall, reviewers recommend it for tile work when used with recommended techniques.
Customer review summary generated by AI, including incentivized reviews.Good drill bit
Would RecommendOne I've used and it was great, haven't used the others yet. Quality seems high
Verified Purchaser
Works, no extra stuff needed
Would RecommendWorks, works, works. Edge stayed sharp, is still sharp. High value
From Diamond Core Drill Bit 1-1_SLASH_4-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Good
Verified Purchaser
Tile drill bit
Would Not Recommendwent through porcelain tile like butter.
Verified Purchaser
Drill bit
Would RecommendGreat drill bit
From Diamond Core Drill Bit 5_SLASH_16-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Does require a steady hand
Would RecommendEasy to start hole even without guide bit
From Diamond Core Drill Bit 1-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Drill that Tile!
Would RecommendHad to drill some tile that was part of our backsplash to mount our new above the oven range microwave and there was no existing mount from the previous one! Made quick business of it! Nice and easy!
From Diamond Core Drill Bit 5_SLASH_16-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Perfect
Would RecommendExactly what I needed to make my countertop water filter system!
From Diamond Core Drill Bit 1-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Great service & Great recommendation
Would Not RecommendThis drill bit worked as the Lowes' associate told me. Worked great on drilling 4 different items.
From Diamond Core Drill Bit 1_SLASH_4-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Useful for many materials.
Would RecommendVery durable for price point.
From Diamond Core Drill Bit 1_SLASH_4-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Thank you for your review! We're glad to hear you found the bit durable and a great value. We appreciate your feedback and thank you for choosing... Read More

Diamond Core Drill for Bathroom Remodel
Would RecommendUsed it to help me put tile in my new bathroom. This tool is really helpful and seems to be of good quality. I'm working on the bathroom all on my own and my wife picked out the most difficult tiles she could find, of course. But this little thing has been holding on great.
From Diamond Core Drill Bit 2-1_SLASH_2-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Thank you for the 5-star review! We're glad to hear the core drill bit has been holding up well and helping you get through your bathroom project... Read More

Diamond Drill for Bathroom Install
Would RecommendUsed it to help me put tile in my new bathroom. This tool is really helpful and seems to be of good quality - as i haven't destroyed it so far.
From Diamond Core Drill Bit 1-1_SLASH_4-in Dry Diamond Core Drill Bit for Stone Verified Purchaser
Thank you for the 5-star review! We're glad to hear the drill bit has been helpful on your bathroom tile project and is holding up well so far. W... Read More

Thank you so much for the 5-star review! If you ever have any questions or need anything, we’re always here to help!