
DeWalt Diamond Drill Bit
The DEWALT DW5578, DW5580, DW5582, and DW5584 diamond drill bits are engineered for precision drilling in hard materials such as tile, porcelain, and glass. Each bit features a diamond-welded tip for enhanced durability and longevity. The reverse spiral thread design ensures continuous water feed during drilling, which aids in cooling and extends the bit's life. Additionally, the core ejection slot facilitates easy removal of plugs, making repetitive drilling tasks more efficient.
Features & Benefits
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Premium Diamond Welded Tip
Delivers superior cutting power and extended life when compared to bonded or electroplated alternatives. -
Reverse Spiral Thread
Continuously draws water into the cutting area, enhancing cooling and reducing heat-related wear. -
Core Ejection Slot
Facilitates quick removal of debris and plug materials to minimize downtime. -
Durable Steel Core
Provides stability and resists bending or flexing under pressure for precise drilling. -
Dry or Wet Use
Optimized for wet drilling with water lubrication but can also be used with proper technique for dry drilling. -
Precision-Cut Entry
Designed to minimize bit walking and deliver a clean, accurate start. -
Versatile Compatibility
Fits standard rotary drills—no hammer action required.
Specifications
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Bit Diameter: 1/2 inch (13 mm)
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Shank Type: Straight
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Overall Length: 2.17 inches (55 mm)
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Application: Ideal for clean drilling into standard ceramic tile, porcelain, and glass surfaces.
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Bit Diameter: 5/8 inch (16 mm)
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Shank Type: Straight
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Overall Length: 2.17 inches (55 mm)
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Application: Perfect for denser materials and thicker tiles, including bathroom walls and medium-duty masonry surfaces.
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Bit Diameter: 3/4 inch (19 mm)
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Shank Type: Straight
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Overall Length: 2.17 inches (55 mm)
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Application: Great for creating larger openings in porcelain or ceramic tiles for kitchen backsplashes, faucets, or cable access.
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Bit Diameter: 1 inch (25 mm)
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Shank Type: Straight
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Overall Length: 2.17 inches (55 mm)
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Application: Ideal for cutting large holes in tile or stone for sink installations, pipe fittings, and heavy-duty mounting points.
Applications
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Bathroom and kitchen installations
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Tiling and stonework projects
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Plumbing pipe access holes
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Mounting brackets in ceramic or granite
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Electrical cable routing through finished surfaces
*Product images are for illustrative purposes only and may differ from the actual product