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Introducing the STONEGO 10PCS Diamond Coated Hole Saw Core Drill Bit Set – the ultimate solution for precise, clean cuts in tile, marble, glass, and ceramic. Engineered with a premium diamond coating and a versatile size range from 3 mm to 50 mm, this set delivers professional‑grade performance for both DIY enthusiasts and seasoned contractors.
Key Highlights
- 🔹 Diamond‑Coated Cutting Edge: Ensures fast, burr‑free drilling with exceptional durability.
- 🔹 Wide Size Range (3 mm‑50 mm): One set covers all common hole diameters for tiles, stone, glass, and ceramics.
- 🔹 Robust Core Body: High‑strength steel shank resists bending and breakage during heavy use.
- 🔹 Water‑Cool Compatible: Designed for wet drilling to extend tool life and reduce heat buildup.
- 🔹 Universal Fit: Compatible with standard rotary hammers, hammer drills, and SDS‑plus drills.
- 🔹 Compact Storage Case: Keeps all 10 bits organized and protected on the job site.
Why Choose STONEGO?
STONEGO combines cutting‑edge materials with meticulous engineering to give you a drill bit set that outperforms ordinary carbide or steel bits. The diamond coating provides a longer service life, while the precision‑ground geometry delivers smooth, chip‑free holes—perfect for plumbing, electrical, and tile‑installations.
Specifications
- Set includes: 10 pieces (3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 25 mm, 50 mm)
- Material: High‑grade steel shank with industrial‑strength diamond coating
- Shank type: SDS‑plus / 1/4″ hex (compatible with most drills)
- Maximum drilling depth: 30 mm (varies by material)
- Operating speed: 0 – 3000 RPM (dry) / 0 – 1500 RPM (wet)
- Package: Heavy‑duty molded case with labeled slots
Best Use Cases
- Creating clean openings for bathroom fixtures in ceramic tiles.
- Drilling precise holes for wiring or plumbing in marble countertops.
- Installing glass mosaics and decorative stone panels.
- Renovation projects that require fast, accurate core drilling.
How to Get Perfect Results
1. Mark the desired drilling point with a center punch.
2. Secure the workpiece on a stable surface.
3. Apply water or a suitable coolant to reduce heat.
4. Use a low to medium speed setting; let the diamond coating do the work.
5. Withdraw the bit periodically to clear debris and maintain accuracy.
Upgrade your toolkit with the STONEGO 10PCS Diamond Coated Hole Saw Core Drill Bit Set and experience the confidence of flawless, professional‑grade drilling every time.
Price: Original price was: $ 10.40.$ 3.43Current price is: $ 3.43.