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Chuck Size: 1/2"; Lenght: 2"(50mm)
1/2"-inch shanks attaches to any power drill to cut round holes in glass, marble and other materials
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer
The end of this drill bit is grooved, so the diamond coating has better adhesion for longer life
These Diamond Bits are Capable of Drilling into Extremely Hard Materials Such as Stone and Glass. Use With any Drill or Power Tool That Will Accept a 1/2" Diameter Shank. Great for Home, Hobby, Craft, Construction, etc. Materials and only needs water for lubrication. This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.
Product Features: 1. The end of this drill bit is grooved, so the diamond coating has better adhesion for longer life 2. The side hole allows water to lubricate inside of the drill bit to insure an absolutely smooth and perfect hole 3. This bit can be used on glass, marble, granite, fiberglass, ceramic and porcelain tile
Package Includes: 1/2/3/4/5/6/8/10/15/20 x Diamond Drill
Most Helpful Customer Reviews
It's been awhile since I bought these bits. I finally tried one out today and all I can say is "WOW"! I drilled 26 bottles and had no trouble at all. I filled the bottles with water and corked them kept the drill bit wet with a spray bottle. A cradle for the bottles to set in is very important, and just let the bit do the work, no pressure. The last I did went just as good as the first one. So I really can't say for sure, exactly how many bottles one bit will drill maybe 50 depending on the type of glass. Some of the colored bottles seemed a little harder so took a little longer. I am so impressed with these bits!
Purchased these drill bits to use for drilling holes in wine bottles. They are amazing. I can drill about 10-15 bottles before having to change the bit. Just as a tip; when drilling holes in bottles, it is best to keep the drill bit wet, it makes the job easier.
I love these bits! I used them in a cordless drill to drill a hole through a granite counter top to install an APEC reverse osmosis water filtration system. It was so easy! I made sure the bit remained in a pool of water during drilling to keep it cool. I ran the bit at 2000 rpm, but I'm certain it can perform just fine at lower speeds. The bit itself is a little over an inch long, but the granite plug inside broke off, so I was able to drill deeper than the internal depth of the bit. My counter was about 1-1/8" thick. I purchased the 5-pack just in case the bit would wear out, but the bit showed no signs of quitting any time soon. I only used 2 bits because I didn't want to spend the time to remove the granite plug from the first bit right away. I'm so glad I didn't have to spend a ton to drill through granite.
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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