Direct Fastening System :
In order to connect different parts to concrete surfaces, various types of nails and fasteners and nail guns are used. The nail is fired by a nail gun and through the power of gunpowder combustion and sinks into concrete and metal surfaces. Installation of all types of insulation covers, metal nets, temporary and permanent connections in workshops (especially during the workshop equipment), electrical and mechanical systems, light walls and interior decoration (kenaf), as well as installation of shear connectors. ) and metal sheets in the implementation of metal deck and composite roofs are one of the most important applications of studs and studs.