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Patented Screws

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Patented Screws

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BI-SQ Driver Screw

  • Dia :3.0mm~12.0mm (#4~3/8)
  • Length :

    6mm~400mm (1/4"~16")

  • Advantages :
    • Patent recess design: firmly sticking tight, and easy to operate in any angle.
    • Recommend for long screws, usage capable to keep drilling straight easily.
    • Available to fit wide range of screws with any head & thread type.
    • Both BI-SQ bit and square bit can drive BI-SQ driver screws.
  • Inquiry now :

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Product Description

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