These diamond hole saw drill bits are a must-have for masonry projects. Made of durable carbide, each bit has an industrial-grade diamond coating that stays sharp through repeated cuts in glass, ceramic, concrete, brick, and stone.
The 10-piece set includes sizes ranging from 1/8-inch to 11/16-inches, allowing you to drill holes of various diameters for plumbing, electrical work, and more.
Main Features:
Removes a complete circle glass, tiles, marble, granite, ceramic or other material and only needs water for lubrication Can be used with a standard electric drill (not included)
Easy to use, high quality, good performance, long life
Excellent for making clean and accurate hole on glass, tile and marble
【Attention】
Please keep adding water when the diamond drill bits are working on the glass or ceramics.low drill pressure and increased use of water lubrication will extend drill bit life
How to use a hand drill to drill holes in the glass/tile/stone?
Step 1. The bit on the glass/tile/stone 45 degree, open a half-moon notch on it
Step 2. Slowly up the bit to 60 degrees, and then gently drill
Step 3. Reached 90 degrees, continue to drill
Step 4. Drill through the glass/tile/stone finally, the technique requires a “wobble” of the drill rather that steady pressure straight on
Warnings: Not for use on Concrete or for depths beyond about 1/2";