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Hollyjs
Reviewed in the United States on August 31, 2024
I have purchased multiple sizes of these drill bits, all are great. Works well for drilling glass. Multiple cuts with the same bit. Good purchase
Lisa K
Reviewed in the United States on July 5, 2024
These drill bits do work, and I know if you try to drill very hard stones like quartz, it will be very hard on the drill bits. Still, I tried, and succeeded in drilling a nice hole through the quartz stone, bit it totally wore the diamond coating off of the steel.
Buttmuncher
Reviewed in the United States on November 26, 2024
Used this for my “glass” art. Cut smoothly and was a steal for the price. Easy to store as well and is durable. Just make sure you have a firm grip so it doesnt slip and hurt your fingers.
Alan Davis
Reviewed in the United States on October 3, 2024
I returned it because it didn't have the big slot on the side for the stone core to come out of.
Mark M
Reviewed in the United States on June 29, 2023
Was drilling holes in time for a shower door. Had tried carbide tips and it was slow. This was much faster. Couple of tips. Keep a spray bottle of water to cool down the bit as you work. When starting put it at a slight angle until there is a rough spot. Then go flat. Would recommend.
robert lilley
Reviewed in the United States on May 24, 2023
You just never know what you are going to get with these 'diamond blade hole saws'. Some barely make it through one piece of tile! This one has done several for me - porcelain at that! - and it works as well as I could expect. Be careful, the design of this cutter makes it prone to 'traveling'. But if you use water, cut at a LOW SPEED (please use a variable-speed drill!), and are mindful of what you are doing, the holes come out just fine!
Steven H.
Reviewed in the United States on April 13, 2023
With this having no center bit and being on the cheaper side. I was skeptical at 1st but decided to give it a try. I bought the 3-1/8 size diamond edge bit, for drilling a hole in a 4 by 4 inch tile being my kitchen island counter top is tiled with and given the hole was almost the entire tile I was scared it was going to Crack but the bit cut perfectly clean (used water) and worked as advertised. Very happy with the outcome
Dr. Manfredzotto
Reviewed in the United States on October 11, 2022
I've used the bit on two different thicknesses of glass, both went really well considering the price of the bits. Would recommend.
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