01POWER DRILLS & ACCESSORIES
Precision cutting for hard surfaces
A quiet collection of precision tools, each bit a small instrument ready to transform stone, glass or ceramic into something new. The set sits neatly together, offering the confidence to cut through dense materials without shattering them.
Designed for porcelain, marble, granite and rock, these drills create clean, accurate circular holes. They suit the maker who values a crisp finish and controlled power over brute force.


02MATERIALS
Brazed diamond on carbon steel
The core of each bit is carbon steel, providing the structural backbone needed to withstand the pressure of drilling. The cutting edge features a special brazed diamond design, engineered specifically for hard, brittle surfaces like porcelain and glass. This combination ensures the tool bites into the material rather than slipping across it.
DETAILS
Varied handles and precise sizing
The set comprises eleven sizes, split into two groups based on handle shape. The smaller bits from 6mm to 20mm feature a round handle, while the larger 22mm to 50mm bits use a triangle handle for better grip. Each bit has a total length of 65mm and can cut to a depth of 30mm.
AT A GLANCE
The key points
- Carbon steel body with brazed diamond edge
- Sizes range from 6mm to 50mm
- Two handle styles: round and triangle
- Hole depth of 30mm with 65mm total length
- Set includes eleven individual bits
Highlights
- High Quality Hole Drilling
- Made from carbon steel with diamond blade, ideal for drilling clean and accurate holes and cutting perfect circles with these tools Longer Life: Heavy duty hole saws provide superior performance, durability is more than 8 times Tips: Electroplated diamond coating will wear off if the tool gets too hot
- for hole saw Specifications
- 6mm+8mm+10mm+12mm+16mm+20mm, round handle 22mm+25mm+30mm+38mm+50mm is triangle handle Hole depth: 30mm Total length: 65mm Package contents: 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 22mm, 25mm, 30mm, 38mm, 50mm
About this product
- Professional Diamond Hole Cutter: With special brazed diamond design for porcelain, glass, marble, ceramic, rock and granite, etc
- Never let your drill bit run dry.
- 11pcs Diamond Drill Bit Set.















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