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1/2" Gas Drill bits stone drilling tool

1/2" Gas Drill bits stone drilling tool

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  • customized support : OEM, ODM
  • place of origin : Fujian, China
  • material : HIGH SPEED STEEL
  • HRC : 55HRC, 60HRC
  • coating : Other
The CNC core bits have been built to core perfectly smooth, chip free holes on all thickness materials with using water.
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