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wafer modify truss head self drilling screw  

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wafer modify truss head self drilling screw

TRUSS head Self-drilling screws are threaded fasteners that drill their own hole and thread it as they are installed. Usually only recommended for use with metal, self-drilling screws are available with wings that enable use when fastening wood to metal. The drill point length should be long enough to penetrate both materials being fastened before the threading portion reaches the material. Self Drilling Screw SELF Tapping Screw Chipboard Screw Self Tek Screw Drywall Screw Hex roofing Screw Finish:   zinc plated Material:   steel c1022 Measurement system:   INCH, Metric Head Style:   Truss Phillips Place of Origin:   handan city, China Brand Name:   JK Model Number:   DIN Standard:   DIN Product name:   Truss Wafer Head Phillips Driver Self tapping Screws Size:   ST4.2, Other size pls contact customer service Length:   13mm-75mm, Other siz…