The Diablo 1/4 in. x 3-1/2 in. L Carbide Tipped Tile and Stone Drill Bit with Hex Shank is built to tackle ceramic, porcelain, and natural stone with confidence. Its carbide-tipped tip stays sharper longer under masonry drilling conditions, delivering cleaner holes and reducing the risk of tile cracking or chipping compared to standard bits. The aggressive geometry is optimized for tile and stone surfaces, making it a reliable choice for both DIY projects and professional installations.
Key features that set this bit apart
- Durable and wear-resistant for repeated use on hard tile and stone materials.
- Ideal for mounting fixtures, anchors, and hardware with precise through-holes.
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3-1/2 in. overall length: Long reach to drill through tile thickness and substrate without fuss.
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Hex shank: Secure grip in standard drill chucks and quick-change adapters, minimizing slippage during drilling.
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Tile and stone specialization: Designed specifically for ceramic tile, porcelain, marble, granite, and other stone surfaces.
How it works and why it matters
When you need a clean, accurate pilot hole through hard surfaces, this bit’s carbide edge resists dulling under the pressure of masonry drilling. The hex shank locks firmly in place, so you can maintain a steady bite without wobble. Use a low drill speed and steady feed to maximize control, and cool the bit with water or a light lubricant to prolong life and prevent thermal damage to tile glaze.
Practical use cases
- Installing towel racks, grab bars, and bathroom fixtures into ceramic or porcelain tile.
- Anchoring wall cabinets or electrical boxes through tile backsplashes and walls with stone backing.
- Drilling through thin stone veneers or countertop edges where a precise, clean hole is essential.
Who should consider this bit
Perfect for DIY homeowners tackling bathroom remodels or kitchen upgrades, and for pros who need reliable, repeatable results when drilling through tile and stone. If you frequently work with hard surface materials and demand consistent hole quality, this Diablo bit is a dependable addition to your tool kit.
Tips for best results
- Mark your drilling spot with tape to prevent wandering on glazed tile.
- Start at a low speed and apply steady pressure; avoid forcing the bit.
- Cool the tip with water or cutting lube to extend bit life and protect tile glaze.
- After drilling, deburr the hole edges if needed for a cleaner finish.
When you need a reliable, durable tile and stone drill bit that delivers consistent performance, the Diablo 1/4 in. x 3-1/2 in. Carbide Tipped Tile and Stone Drill Bit with Hex Shank is ready to handle your toughest installations with precision and ease.