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Dry diamond bit is embedded with wax that will melt during dry drilling to cool the cutting surface. Water can act as additional cooling to prolong the work life of bit.
Diamond coating enhances the drilling speed; Round Shank compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill.
Diamond core drill bits are worked great for dry drilling holes through porcelain tile, marble, bathroom tile, granite, ceramics, masonry, stone, glass, brick with ease.
This diamond core drill bit U type slot twist spiral design with fast drilling dust remove,reducing heat and improving work efficiency.
High quality core steel body, more efficient and durable, not easy to deformation.
BuilderBros
Reviewed in the United States on January 21, 2025
Clean and quick.... but once it gets dull move on. Thankfully, based on other reviews, I ordered plenty and experienced similar results as previous buyers..... 2-3 holes per bit in porcelain tile. Still a great value. Manage your expectations and consider them disposable and you will not be disappointed!!!!
Kirk N.
Reviewed in the United States on September 15, 2024
I can get one or 2 holes per bit. They drill quickly. Wet and dry. And they are inexpensive. This is the best you can expect if you install shower doors and grab bars all day.I will buy again.
Jeannine Fennell
Reviewed in the United States on August 2, 2024
These work great, and you cannot beat the price!
Daniel Edwards
Reviewed in the United States on July 6, 2024
I'm a tile setter by trade. These are a must have for tile work. Good quality. They drill through soft and hard materiel with ease. I mostly use these smaller bit to carve/grind out little u-cuts in tile for the screw holes that secure outlets and light switches when tiling kitchen back-splashes and walls, etc. These make my job so much easier than back in the day when everything had to be done a wet saw, even tiny notches in tile. Love these bits!
m&j
Reviewed in the United States on December 22, 2024
I bought these to drill through 1/2" granite shower panels when installing a new shower door. They worked great. I used one bit for 4 holes. Be sure to start the hole with the bit at an angle. Very pleased.
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