Forged cuplock scaffolding system that joins vertical standards and horizontal ledgers at a single node, for access scaffolds and formwork support. At each node a top cup with lugs locks the ledger ends down into a fixed bottom cup on the standard. The node joins four horizontal ledger tubes to one vertical standard, with silver metal tubes and fittings. The cuplock range covers Ledger Blade, Ledger Blade with Hole, Top Cup 3 or 4 Legs (Drop Forged), Bottom Cup Pressed, Cuplock Standard, Cuplock Scaffolding Diagonal Brace, Scaffold Intermediate Transom, Cuplock Inside board transom, Extension Adaptor, Hop Up Bracket, Vertical Post Standard and Cuplock Ledgers.