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  • What is the raw material for screw?

    Low carbon iron wire, commonly from 1008 to 1022, different type of screw, different carbon content.
  • Can you provide specification of raw material ?

    We will provide you size of raw material after we getdiameter of shank of all screws.
  • What is usage of Slot Milling Machine?

     Making straight-line slot on head ofwood screw.
  • Could one set of machine make all sizes of screw?

    No, our machine has its production range, one machine could make screw withsome production range.


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