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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
Usage: Wet/dry drilling,for drilling holes on various stones, Concrete etc
Main Market:USA, Canada, Europe, South America, Australia, etc.
Features:
1.High efficiency, smooth drilling, long life.
2.Devided into sinter, laser and electroplated.
3.Wearable, chip-free cutting & drilling
4.Long lifespan and stable performance
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