4PC Diamond Core Drill Bits

Pro-Tile diamond drill bits can be used for wet or dry cutting and are designed to go through porcelain, marble, ceramic and granite quickly and easily. Use with water for optimum results when drill holes in ceramic, marble, granite and porcelain surfaces. Four piece set includes: ¼”, 5/16″, 3/8″, and ½” in a sturdy carrying case which has a hex key to aid in the removal of cut pieces from the drill bit and an incorporated drill guide template to help prevent wandering drill bits when starting holes.

    • What’s in the box: ¼”, 5/16″, 3/8″, and ½”, sturdy case, hex key, and a drill guide template
  •  For materials: porcelain, marble, ceramic and granite
  •  Suitable for: wet or dry cutting
  • Addons: universal guide

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Variation in shade, caliber and tiny imperfections are inherent in the production of all stone, porcelain and ceramic tiles. Mistakes can happen. Learn about our return policy below:

All materials must be checked prior to installation. Returns only accepted within 21 days of sale. Full boxes only. Proof of purchase required.

No returns on sale / clearance items and special orders. We do not accept claims after installation.

No returns on mortars, grouts and liquids between October 15 and April 15. ​

All returns are subject to 20% handling / restocking charge.