18" T-Handle Strongback Assembly with Nut (Model #TH430-SBA18)
The Model #TH430-SBA18 is a heavy-duty under-deck structural strongback replacement assembly supplied complete with a matching low-friction brass drive nut. Engineered explicitly for 18" quick-acting T-handle flush manholes, this carbon steel clamping bar translates handle torque into smooth, even vertical compression to pull the hatch plate tightly into its sealing pocket.
Key Features
- Heavy-Duty Resistance: High-tensile structural steel profile resists vertical deflection under extreme hydrostatic head pressures and green water loading.
- Anti-Galling Brass Nut Included: Shipped with a premium marine brass drive nut to prevent thread binding and mechanical seizure against stainless steel handles.
- Corrosion-Resistant Primer: Coated in commercial-grade marine primer to withstand localized tank condensation, fuel oils, and bilge environments.