Diamon drill 25mm diameter bit drill bit for ceramic glass tiles sandstone

Diameter: 25mm / 0.99 Packing included: 1 x diamont drill and high Tile glass ceramic marble porcelain drilling Diamond dust saws are suitable for drilling ceramic tile glass marble and porcelain tiles up to hardness grade 5 For use with conventional electric drills on lower speed settings has the hammer deactivated action Always use lubrication (water) otherwise the diamond drill core will burn Cooling and lubrication When cutting hard materials it is important to is preserved at the expense to avoid damaging the material bore and a cup premature wear. The use of water as coolant / lubricant prolongs the service life of these saws. If you are drilling on a vertical surface try hand spray water or sponge wet water and in contact with the wick. Keep the little wet as possible during operation if the bit dry during use it could overheat and immediately dull. Note:Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3 cm.