Stone core bits

We offer different sizes of stone core bits for drilling granite, marble, concrete and wall. With years of research and application of diamond core bits, we are pride of being able to offer high performance diamond core drill for different drilling use.

Specification: Diameter: 4mm to 150mm
Thread: M14, 5/8-11 etc
Applied machine:Core drill machine and hand drill grinders
Certification: ISO9001, SGS Product Quality Control
Main Market: USA, Canada, Europe, South America, Australia, etc.
Usage: Wet/dry drilling

Features:
1. Application: for drilling holes on various stones, Concrete etc
2. High efficiency, smooth drilling, long life.
3. Devided into sinter, laser and electroplated.

Advantages:
1. Wearable, chip-free cutting & drilling            
2. Long lifespan and stable performance

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