9-Pc Diamond Core Drill Bit Hole Saw Kit – Tile & Stone
9-Pc Diamond Core Drill Bit Hole Saw Kit – Tile & Stone
9-Piece Diamond Core Drill Bit Set – Hole Saw Kit with Storage Case
Take on your toughest tiling and stonework projects with confidence. This 9-piece diamond core drill bit set gives you everything you need to cut clean, precise holes through granite, marble, porcelain tile, ceramic, glass, concrete, and hard plastic. Whether you're a seasoned tradesperson or a dedicated DIYer, this comprehensive kit delivers professional-grade results every time.
What's Included
- 6 Diamond Core Drill Bits: 22mm, 28mm, 35mm, 44mm, 68mm, 73mm
- 2 Mandrels for secure bit attachment
- 2 Hex Keys / Box Wrenches for easy setup
- 1 Hard Storage Case to keep everything organized and protected
Key Features
- Vacuum Brazed Technology: Advanced bonding technique ensures a longer working life, faster cutting speeds, and smoother hole edges compared to standard sintered bits.
- Versatile Size Range: Six diameters (22–73mm) handle everything from small pipe cutouts to large fixture openings in a single kit.
- Wide Material Compatibility: Engineered for hard porcelain tile, ceramic, bathroom tile, granite, marble, masonry, concrete, glass, and hard plastic.
- Finger Bits Included: Perfect for enlarging, shaping, or adding a beveled edge to existing holes in porcelain, marble, granite, and hard ceramic.
- Dry or Wet Drilling: Use dry for quick jobs; add water to the cutting zone to extend bit life and keep the surface cool during extended use.
- Made in China.
Why Choose This Kit?
The vacuum brazed diamond segments grip harder and last longer than electroplated alternatives. The wide size selection means fewer trips to the store, and the rugged carry case keeps every piece organized and ready for the next job. From bathroom renovations to kitchen backsplash installations, this kit has you covered.
Tips for Best Results
- Start at a low RPM and gradually increase speed once the bit has seated in the material.
- Apply light, steady pressure — let the diamonds do the cutting.
- Use water cooling for extended drilling sessions to maximize bit longevity.
- Use a guide or template for accurate hole placement on slippery glass or polished tile.
Related Products You May Like
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- Garden Pruner Shears – Secateurs for Bonsai & Fruit Trees
- 18 Pc Basswood Carving Blocks – Whittling Wood Kit for Carvers
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What materials can the diamond core drill bits cut through?
A: These diamond core drill bits are designed to cut through a wide range of hard materials including granite, marble, porcelain tile, ceramic tile, bathroom tile, glass, masonry, concrete, and hard plastic. The vacuum brazed diamond segments make short work of even the hardest surfaces.
Q: Do I need water when using this diamond hole saw kit?
A: Dry drilling is possible for short sessions, but using water as a coolant is strongly recommended for extended use. Water lubricates the cutting zone, reduces heat buildup, and significantly extends the working life of your diamond core drill bits.
Q: What drill is compatible with this hole saw kit?
A: The bits are compatible with standard corded and cordless drills and drill presses that accept the included mandrel shank sizes. Always check that your drill chuck can accommodate the mandrel diameter before starting your project.
Q: What sizes are included in this 9-piece set?
A: The kit includes six diamond core drill bit sizes: 22mm, 28mm, 35mm, 44mm, 68mm, and 73mm, along with 2 mandrels, 2 hex keys, and a protective storage case — everything you need for a full range of tile and stone drilling tasks.