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The scaffold adjustable forkhead jack is a vital component in construction, also known as four-way jacks. These assemblies consist of four primary parts: the screw jack stem, jack nuts (handle), base plate, and four pieces of steel angle forks.
Mainly utilized in slab formwork and beam formwork concreting, it serves as a robust support component for formwork scaffolding. The height can be precisely adjusted by operating the jack nuts, which also assists in general scaffold leveling.
Hollow Type: Made from tubular scaffolding, available in both seamless and welded tube varieties. These are the most common due to their lightweight nature combined with the ability to support heavy loads in slab and beam construction.
Solid Type: Crafted from solid steel round bars with stem diameters typically ranging from 30mm to 48mm. These are specialized components used for specific load requirements.
To ensure long-term anti-rust performance, these forkhead jacks are finished with either painting or galvanizing. While painted jacks offer a cost-effective solution, hot-dip galvanized finishes provide superior anti-corrosion protection for demanding environments.
