All three types of medium - diameter diamond drill bits should be used by professionals in the construction and stone working. They allow to aid in the drilling of difficult surfaces like granite, marble and porcelain tiles as their main purpose. The diamond coatings make sure the cold drill bits remain sharp and useful after a long use of them. Our bits can be used for both dry as well as wet uses for different working conditions. Thank you for choosing DEYI. Our medium - diameter diamond drill bits work perfectly in all conditions and will exceed your level of expectations.
Copyright © 2024 by Beijing Deyi Diamond Privacy policy