Take on tile and glass installations with confidence using the Diablo 3/8 in. x 3-1/2 in. Carbide Tipped Glass and Tile Bit with Hex Shank. Engineered for clean, precise holes, this bit combines a durable carbide tip with a compact 3-1/2 inch reach to tackle ceramic tile and glass surfaces with minimal chipping and wandering.
Key specifications
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Carbide tipped for enhanced durability and edge retention on hard tile and glass
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Drill size: 3/8 in (hole diameter)
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Overall length: 3-1/2 in
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Shank: Hex shank, 1/4 in, for a secure grip and compatibility with common drill chucks
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Packaging: Carded
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Brand: Diablo
Why this bit stands out
The Diablo glass and tile bit is purpose-built for challenging surfaces. The carbide tip delivers long-lasting performance against hard ceramic tile and glass, reducing the risk of fracture and keeping starts precise. The 1/4 in hex shank locks firmly into standard drill chucks, delivering consistent power without slipping, so you can drill with control from start to finish. At 3-1/2 inches, it offers a comfortable reach for common residential installations while maintaining rigidity for accurate hole placement.
Ideal use cases
- Drilling through ceramic or porcelain tile for electrical outlets, switches, or plumbing fixtures
- Creating clean holes in glass tiles for backsplashes and decorative accents
- Installing hardware on tile surfaces where a reliable, straight bore is essential
Tips for best results
- Drill at a slow, steady speed with light to moderate pressure to minimize chipping
- Keep the bit cool by applying water or a light lubricant during cutting
- Use a drill guide or start with a center mark to maintain alignment and prevent wandering
- Begin with a small pilot hole if needed, then progress to the full 3/8 in bore
