... hex nut and EPDM, Material-metal, znic plated, with EPDM (black rubber). Size-1/2" Zinc Plated Pipe Clamp with EPDM Pipe ... gas pipe line, rural service pipe, wire tube, construction and other industries fixed .Product thickness range 1.2 mm ,1 ... .5 mm, 1.8 mm, 2.0 mm, 2.5 mm etc. Product width of ... 81-86315---312-31890387-92355---352-358 (1/2 inch) Zinc Plated Pipe Clamp with EPDM