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Your cart is empty.Product Description
Diamond coated drill bits help to precisely form, grind and finish.
Suitable for enamel glass, ceramics, tiles, bricks, plastics, wood, fiberglass, stone, carbide, metal.
Recommended for jewelers, gems, hobbies and crafts, styling.
It is better to use water as a lubricant when using.
Senior Woman
Reviewed in the United States on January 10, 2025
enlarging holes in lamps to run lights thru
Heather Fairbanks
Reviewed in the United States on August 21, 2024
Works great even grinder
Evan
Reviewed in the United States on May 15, 2024
Use these to move or enlarge holes in hardened steel. They do wear out after a dozen or so uses. but at 50c each that is not really an issue.
VINH VICTORIA NGUYEN
Reviewed in the United States on October 2, 2024
A+Thank you
Ken
Reviewed in the United States on April 20, 2024
The grinding power was not there. Maybe this is more for polish work . At high speed "high rpm" the head wobbles and shaft bent over.
Vikentii
Reviewed in the United States on December 25, 2023
This is simply a fake productNo abrasive on the tip of the tool. Abrasive coverage is patchy. It is entirely useless.Luckily it was very cheap IIRC
JCSailor
Reviewed in the United States on August 5, 2021
I'm creating the mosaic in the first picture, it's about 33" diameter. I needed something to allow me to get into the inner bends of the 'S' (for South) shown in the second picture. These absolutely worked perfectly. I used them in a Dremel with one of the bases to keep the bit at the right height off the tile, adjusted the depth...shallow cut first, then deeper, then full cut. I kept the cut wet with a cloth soaked in water. Grind, grind, grind, wet, grind, grind, grind, wet...you get the idea. I used two of the 20 bits supplied to grind the inside of the 'S' and to smooth out the outside bends. I probably could have kept using the first one, but changed out just in case. I've found that diamond bits work a lot better if you keep even the slightest drops of water on the working piece. These work great, and are at a great price.
cindy kawlewski
Reviewed in the United States on February 13, 2021
Bought thes for stone shaping were out fast. Got 3 stars only because of fast shipping
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