I believe you don't know how the surface of drill bit teeth is polished!!

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  • เผยแพร่เมื่อ 8 ธ.ค. 2024
  • This video demonstrates the process of using modern digital machine tools to polish the surface of drill bit teeth. I'm sure you haven't seen something so fascinating before! Come and take a look!#youtube #drill #drillbits #drilling #factory #production #workshop #cutting

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