Cuplock Standard

Description ：
The standard is the vertical member of the scaffold with a spigot (eighter round or box type)
accurate alignment .a series of "v" locating lugs are welded on the tube for the attachment of ledger and auxiliary components .open ended standards and loose spigot are also available .
Materials ：q355/q235
Surface treatment: black ,hot dipped galvanzied，e-galvanized，powder coating.