will screws hold in drywall

In addition to these reasons, we should also pay attention to the tooling and process must be stable, and regular testing should be done to ensure the uniformity of galvanized layer.

There are many blade specifications, first of all there are three types: spiral type, straight line, spiral cross type. Different units, the strength of the protection of different rope models. The blade barbed wire is mainly made of low carbon steel wire and aluminum magnesium alloy wire by spraying and welding. The blade material of the blade barbed wire is attached to the core wire made of stainless steel wire with professional mechanical strength, so the blade barbed wire has the advantages of good strength and aging resistance.

3, reduce the bivalent iron ion in the plating aid used for hot plating wire, reduce the formation of zinc slag