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U Type VS O Type Three Board Bracket
Ringlock three-board brackets include U Type and O type.
What is the U-type scaffold bracket?
U-type 3-board brackets with a horizontal element made of special ribbed U-shaped steel profiles. The special ribbed U-shaped horizontals separate scaffold planks and boards from the left and right direction by its double strings. Thus avoid the left and right sides scaffolding plank hooks conflicts. U-type scaffold brackets work with scaffolding planks with U hooks.
What is the O-type scaffold bracket?
O-type 3-board brackets are with a horizontal member made of normal OD48.3mm scaffolding pipes. Scaffolding planks sit on at same horizontal member from left and right. So scaffold factory needs to make sure all scaffolding plank hooks(steel planks, trapdoor platforms, aluminum planks) are not conflict with each other when they were put on the same horizontal.
O-type scaffold brackets work with scaffolding boards with O hooks.