Designed for cutting holes in any hard-to-drill surface, including wall tile, floor tile, glass, porcelain, ceramic, fiberglass, and stone. Made of close density diamond particles and are engineered to cut through materials where other bits fail.

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Diamond drills require adequate water lubrication, proper drill speed, and low drill pressure.

Improper use can overheat bits, causing heat fractures and/or material breakage.

Drill-life varies with drilling techniques used and thickness and hardness of material drilled.

Drill to depths of one half inch.