Diamond Tile Drill Bit – Dry Hole Saw for Angle Grinder
Diamond Tile Drill Bit – Dry Hole Saw for Angle Grinder
Ultra-Thin Diamond Drill Bit – Precision Hole Saw for Tile, Marble & Granite
Cut through hard surfaces with ease using this brazed diamond-coated hole saw drill bit. Engineered for use with angle grinders and electric drills, this ultra-thin wide-body design delivers clean, chip-free holes in tile, ceramic, porcelain, glass, marble, and granite — all without water or complicated setup.
Made in Mainland China.
Why You'll Love It
- Super-hard brazed diamond coating — High-quality diamond grit is brazed directly onto 45# steel for maximum hardness, sharpness, and long-lasting durability.
- Chip-free drilling — The precision design drills cleanly through tile, glass, ceramic, porcelain, marble, and granite without cracking or chipping the surface.
- Ultra-thin & wide body design — Reduces drilling resistance significantly, making each cut faster and smoother.
- Multi-hole structure — Improves heat dissipation and chip removal efficiency, making it ideal for dry drilling — no water required.
- Brazed welding technology — The diamond layer is firmly bonded to the base, resisting wear and separation for extended service life.
- No extra tools needed — Simply attach to your angle grinder or electric drill and start drilling immediately — perfect for on-site work.
- Pro & DIY ready — Suitable for home renovation, tile installation, glass cutting, construction, and more.
Specifications
- Product Type: Diamond Center Drill Bit / Hole Saw
- Material: 45# Steel with Brazed Diamond Coating
- Grit Type: Medium
- Color: Black
- Available Sizes: 20mm (0.79"), 25mm (0.98"), 30mm (1.18"), 35mm (1.38"), 40mm (1.57"), 42mm (1.65"), 45mm (1.77"), 50mm (1.97"), 55mm (2.17"), 60mm (2.36")
- Compatible Equipment: Angle Grinder, Electric Drill
- Applications: Ceramics, Vitrified Tiles, Marble, Granite, Glass, Porcelain
- Drilling Method: Dry Drilling (no water required)
- Package Contents: 1× Diamond Drill Bit
- Origin: Mainland China
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Note: Due to manual measurement and different measurement methods, please allow a deviation of 1–3mm. Colors may vary slightly between monitors and actual product.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: Can this diamond drill bit be used without water for dry drilling?
A: Yes! This diamond hole saw is specifically designed for dry drilling operation. The multi-hole structure enhances heat dissipation and chip removal so you can drill efficiently without water, saving time on job sites or home renovation projects.
Q: What materials can this diamond-coated hole saw drill through?
A: This brazed diamond drill bit is compatible with ceramics, vitrified tiles, marble, granite, glass, and porcelain. It delivers clean, chip-free holes without cracking or damaging the surface.
Q: What tools are compatible with this drill bit?
A: This hole saw is designed to be used with standard angle grinders and electric drills. No additional adapters or complicated tools are required — simply attach and start drilling.
Q: What sizes are available for this diamond tile drill bit?
A: Available in 10 sizes: 20mm, 25mm, 30mm, 35mm, 40mm, 42mm, 45mm, 50mm, 55mm, and 60mm — suitable for a wide range of hole-cutting needs in tile installation, plumbing, and renovation work.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.