Adjustable bolt-down post base (with plate) 0–165 mm – 3 mm plate, gold zinc plated
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Adjustable bolt-down post base with plate, made of steel with a gold electro-galvanised finish. Width adjustment range 0–165 mm, base plate 100 × 100 mm, plate thickness 3 mm, post clearance above the ground 85 mm. Weight 1.25 kg. For timber posts on a concrete foundation.
Product code: 002-487
Product features
[PIM] Łączniki #79
- Sheet metal thickness [mm] 3
- Connector Type Post base with plate
- Material Steel
- Coating Yellow zinc
Description
Adjustable bolt-down post base (with plate) 0–165 mm – 3 mm plate, gold zinc plated
The adjustable bolt-down post base with plate is a durable steel connector designed for fixing timber posts to a concrete foundation. Thanks to its width adjustment range of 0–165 mm, it can be fitted to posts of different cross-sections, which removes the need to stock multiple bracket sizes.

The base consists of a bottom plate with four mounting holes, a ribbed bar that provides a secure anchor in the concrete, and two movable angled plates fixed with bolts. By sliding the plates along the guide rail, you can smoothly adjust the clamping width to suit the cross-section of the post being installed.
The base is made of thick sheet steel, which provides high rigidity and load-bearing capacity of the connection. The surface is protected with gold electro-galvanised zinc, which guards the component against corrosion and gives it a neat appearance. The design raises the post above ground level, effectively isolating the timber from moisture drawn up by capillary action from the foundation and extending the service life of the entire structure. The product is sold as a complete set, ready for installation.
Design features
- Smooth adjustment to suit posts of different cross-sections
- Solid sheet steel providing high rigidity and load-bearing capacity
- Ribbed bar for permanent embedding in the concrete footing
- Guide rail with slotted holes allowing precise positioning of the plates
- Timber isolated from the ground to protect the post from capillary moisture
- Corrosion protection thanks to gold electro-galvanised zinc plating
- Multi-point bolted fixing of the angled plates to the post
Applications
- Carports and canopies — fixing the load-bearing posts of garage shelters, garden shelters and patio canopies
- Pergolas and gazebos — fixing garden structure posts onto concrete footings
- Fencing — secure fixing of fence posts to a plinth or pad foundation
- Timber structures — connecting posts to the foundation in timber-frame buildings and outbuildings
- Balustrade sections — anchoring posts for patio and balcony balustrades
The base is supplied as a complete set comprising the base with bar, two angled plates and fixing bolts. All components are factory galvanised, so the base is ready for immediate installation without the need for additional corrosion protection.
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