Ringlock Standard Vertical and Spigot Can be Fixed by bolt and Nut, which is removable,convenient to use for concrete formwork support that connect with U Head Jack.
Non-removable way between spigot and ringlock standard is press-in spigot into the ringlock standard.
There are 2 ways of this type of press-in Type Spgiot.
One Fixing Way Between Standard and Spigot is Spot Pressing Like Layher Allround System. Another Way of the press-in is Line Pressing.Which is better and stronger, which used in a lot of Europe Scaffolding and Formwork Companies too.
Which one do you like?