Made with best in class raw material, this Excel Diamod Core Drill Bit is utilized for making openings on marble, rock, glass composites and several hard and fragile materials. This Excel Diamod Core Drill Bit is absolutely unsurprising and giving the predictable outcomes consistently. It is demanded in the market because of its high quality and durability. All the provided items are tested on the various quality parameters before dispatching them from our premises. Reach out to us for getting more information on this product.