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Pros & Cons
Pros
Some seem to work better than others, just depends on the coating on the end of the bit. Only problem is little pieces of core get stuck in the hollow shaft and are kind of tricky to clean out.
It is important to squirt water as you drill like most tile drilling situations. Much faster than pointed bit. It packs with mud and stops drilling.
Cons
These are not a good value. Defective product that should be addressed by this vendor. They become dull and useless after just one hole in a ceramic floor tile.
Highlights
Quality
If used right a very good product
Worked great for the wife’s glass wind chime project
I know they recommend low speeds but i have better luck with the high one
I have drilled marble slate and granite all with the same success
Price
These are amazing at a amazing price
Competitiveness
These are among the better ones for the price
Overview
- How are reviewers describing this item?
great, drilled, through, good and better. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 544 reviews as of our last analysis date on May 9 2023.
Helpful InsightsBETA
Posted by a reviewer on Amazon
The bits are the perfect diameter for my thin grout spacing but they are mostly good for one hole in this very hard material
Posted by a reviewer on Amazon
I have drilled marble slate and granite all with the same success
Posted by a reviewer on Amazon
If you are drilling a deeper hole snap off the column created by the core bit so it does not bottom out in the bit
Posted by a reviewer on Amazon
Dont press hard on the tool and you will see the water get cloudy around the bit as it cuts through the material
Posted by a reviewer on Amazon
Each drill was good for about 2 holes before it wore out and this was with flood coolant slow speed and mild pressure
Posted by a reviewer on Amazon
I flooded the hole with water while i was working
Posted by a reviewer on Amazon
After reviewing other responses i bought the larger package believing they would only drill a couple holes
Posted by a reviewer on Amazon
It drilled button holes in stone
Review Count History
Price History
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