Double-threaded screw for fastening photovoltaic systems on roofs with a steel load-bearing structure covered by corrugated panels, faux panels or tiles

STSI double-threaded screw

STSI is the double-threaded screw in A2 stainless steel for fastening subframes for photovoltaic systems on corrugated panel or faux-barrel tile roofs with wooden load-bearing structure. Also suitable for installation on concrete with chemical injection mortar or in brick and cement structure with chemical injection mortar and FIS HK injection anchor sleeve or FIS HN injection anchor sleeves with net.Incorporated EPDM gasket for sealing against rain infiltration. Pre-drilling required.
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Wood thread length
Metric thread length
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