Diamond Tile Drill Bit – Dry Hole Saw for Angle Grinder

Ultra-Thin Diamond Drill Bit – Precision Hole Saw for Tile, Marble & Granite

Take your tiling and renovation projects to the next level with this brazed diamond-coated hole saw drill bit. Engineered for use with standard angle grinders and electric drills, this ultra-thin wide-body bit cuts cleanly through ceramic, porcelain, vitrified tiles, marble, granite, and glass — without chipping or cracking. No water required, no complicated setup, just fast and accurate dry drilling wherever you need it.

Made in Mainland China.

Key Features

• Premium Brazed Diamond Coating: High-quality diamond particles are brazed directly onto 45# steel for exceptional hardness and sharpness — stays sharp longer and resists wear.
• Ultra-Thin & Wide Body Design: Minimizes drilling resistance so you glide through hard materials with less effort and less heat build-up.
• Multi-Hole Structure: Strategically placed ventilation holes improve heat dissipation and chip removal, making dry drilling efficient and clean.
• No Water Needed: Dry drilling design means you can work on any job site without water supply — ideal for on-site construction and home renovation.
• Secure Weld Bond: Brazed welding technology fuses the diamond layer firmly to the base body, preventing it from peeling or falling off during heavy use.
• Versatile Compatibility: Fits angle grinders and electric drills. Works on ceramic, porcelain, vitrified tiles, marble, granite, and glass.
• Pro & DIY Ready: Suitable for professional contractors and weekend DIY renovators alike.

Specifications

Applications

Perfect for tile installation, bathroom and kitchen renovations, countertop work, glass cutting, and any project that demands clean, precise holes in hard materials. Whether you're a professional tradesperson or a hands-on homeowner, this drill bit gets the job done efficiently.

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Note: Due to manual measurement, please allow a deviation of 1–3mm. Actual colour may vary slightly from screen to screen.

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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. Its multi-hole structure and ultra-thin wide body promote airflow and heat dissipation, so no water is required. It's ideal for job sites where a water supply isn't available.

Q: What materials can this brazed diamond drill bit cut through?

A: This drill bit is compatible with ceramics, porcelain, vitrified tiles, marble, granite, and glass. The high-quality brazed diamond coating delivers clean, chip-free holes in all of these hard materials.

Q: What size angle grinder or drill does this hole saw fit?

A: This hole saw is designed to mount directly onto standard angle grinders and electric drills. No additional adapters or complicated tooling are needed — simply attach and start drilling. Available in sizes from 20mm up to 60mm to suit a wide range of project requirements.

Q: How long will the diamond coating last?

A: Thanks to brazed welding technology, the diamond layer is firmly bonded to the 45# steel base and resists peeling and premature wear. With proper use, this drill bit delivers long service life suitable for both professional contractors and DIY enthusiasts.

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.