6 drywall screws

Plastic-coated barbed rope is not only used but also beautiful, so it is used in a large number of highway sides, and other special places, so what are the colors of plastic-coated barbed rope? Where are the plastic-coated thorn ropes of no color respectively applied?

Third, positive and negative twisting barbed rope appearance is beautiful

Spring steel wire with high carbon quality carbon structural steel or carbon tool steel wire rod production, according to the use of spring strict control of its chemical composition, gas content and non-metallic inclusions. In order to reduce the appearance defect and decarbonization layer, the billet of consumption rod should stop the appearance grinding, and if necessary, stop the peeling.