Diable? Actually Diablo shines here: the 2-1/2 in. Diamond Grit Hole Saw is built to slice clean, true holes through some of the toughest materials you’ll encounter on a remodel. With a 5.52-inch overall length and a 2-inch cutting depth, this hole saw gives you the reach and control you need for accurate, professional results in porcelain tile, ceramic tile, granite, marble, slate, and glass.
Why this hole saw stands out
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Diamond grit construction—engineered to bite into hard materials and resist dulling, delivering smoother holes with fewer chips in tile and stone.
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2-1/2" diameter for standard outlets, fixtures, and larger tile openings, making it a versatile choice for kitchens, bathrooms, and backsplash work.
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5.52" overall length and 2" cutting depth provide ample reach for thicker materials and recessed installations without compromising control.
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1/4" shank and Quick-Change system—easy to swap in and out of compatible drill setups, helping you minimize downtime on the job.
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Specialized for hard materials—optimized for porcelain and ceramic tile as well as natural stone and glass, reducing the risk of breakout and ensuring cleaner edges.
Who benefits most
Ideal for DIY enthusiasts tackling bathroom remodels, electricians wiring through tiled walls, and stone installers who need reliable, repeatable cuts without fracturing delicate surfaces. It’s particularly effective for creating clean, round openings for electrical outlets, plumbing fixtures, or glass shower panels where precision matters as much as speed.
How it compares to other options
Standard hole saws that rely on carbide teeth or carbide grit can struggle with porcelain and natural stone, often producing ragged edges or wandering. This Diablo diamond grit hole saw maintains a consistent bite, minimizes heat buildup, and reduces chipping thanks to its diamond-infused cutting edge. The Quick-Change capability means faster bit swaps and less downtime, especially on multi-hole projects where you’re switching between sizes or materials.
Practical tips for best results
- Keep the workpiece well supported and clamp securely to prevent movement during drilling.
- Start with a small pilot or guide hole if your setup benefits from it, then switch to the 2-1/2" hole saw for the main cut.
- Drill at a controlled, steady pace with light to moderate pressure—let the diamond grit do the cutting rather than forcing it.
- For tiles and glass, apply a little water or cutting coolant to cool and lubricate the edge; this helps prolong blade life and reduces chipping.
- Pause occasionally to withdraw the bit and clear debris, especially when drilling through thick material.
Care and longevity
After use, wipe the cutting edge and remove any dust or slurry. Store in a dry place to prevent corrosion of any exposed metal parts. Proper cooling during use and gentle cleaning after operation will help extend the life of the diamond grit edge for many projects to come.
Technical specifications
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Diameter: 2-1/2 in
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Cutting depth: 2 in
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Overall length: 5.52 in
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Shank diameter: 1/4 in
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Material: Diamond grit
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System: Quick-Change for fast bit swaps
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Compatibility: Fits standard drill chucks that accept a 1/4" shank
Whether you’re updating a tile backsplash, mounting outlets in a ceramic or porcelain wall, or creating precise openings in stone surfaces, this Diablo diamond grit hole saw delivers dependable performance, clean edges, and practical versatility that helps you finish the job right the first time.
