Finished: black/grey phosphated, blue/color/white zinc coated, black

Material:steel   high-strength/strength

Main Feature: with drilling point,bugle head,phillips drive,coarse/fine thread

Size: all different sizes such as 3.5*13mm,3.5*19mm, and so on .
Usage: mainly used in light gage steel joist objects.
We can produce all kinds of drywall screw series products, if you have any related demand, please feel free to contact us by email or anyway you like, warmly welcome your enquires

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