Pressed Steel Sleeve Coupler ,Sleeve Joint for OD48.3mm Scaffold Tube BS1139 En74 Standard
Pressed Steel Sleeve Coupler for OD48.3mm Scaffold Tube BS1139 EN74 Standard Pressed Sleeve Coupler is a type of scaffolding clamps made from high strength steel plate in 3.5mm or 5mm, is used as a scaffold connector box between scaffold tubes from wellmade scaffold ,China, produced and tested according to BS1139 En74 standard. scaffold tube fittings scaffolding sleeve coupler pressed steel scaffolding sleeve coupler pressed scaffold sleeve coupler BS1139 standard scaffold sleeve coupler