The tile drill bit set is equipped with a 1/4 inch hexagonal shank and is therefore compatible with all common drills & cordless screwdrivers..
Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface. This allows for longer drilling without much wear on larger projects..
Diamond core drill bit developed to drill in extremely hard materials such as tile, ceramic, marble, granite, ceramic, porcelain, etc..
Attention: Begin drilling approximately at a 45° ( between the hole saw and the working surface ) angle and only moderate pressure is good for the service life of the dry core bit..
【Glass Drill Bit】These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp.
【High Quality Drill】Each hole is treated with smooth and accurate surface treatment,and the top oh the hole is thickened to achieve excellent cutting strength.
【Wide Usage】Used on Drill Glass,Wood,Tile Bottles,Blocks Jars, Ceramic,Slate Mable, Granite Light Stone, and other hard surfaces.
【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..