Hot Dipped Galvanised Drive-In Post Spike 100mm x 100mm x 750mm

Hot Dipped Galvanised Drive-In Post Spike 100mm x 100mm x 750mmA hot dipped galvanised drive in post spike for 100mm x 100mm timber posts, this 750mm anchor lets you set fence posts and uprights quickly without digging or mixing concrete. Suitable for permanent outdoor use, it offers strong corrosion resistance and a clean, fast installation. Specifications Property Detail Material Steel Treatment Hot dipped galvanised Finish Galvanised zinc coating Post Size (Nominal) 100mm x 100mm Anchor Length 750mm Use

A hot dipped galvanised drive-in post spike for 100mm x 100mm timber posts, this 750mm anchor lets you set fence posts and uprights quickly without digging or mixing concrete. Suitable for permanent outdoor use, it offers strong corrosion resistance and a clean, fast installation.

Specifications

What it's used for

• Setting fence posts along garden boundaries, field edges, or driveways without excavation
• Installing gate posts where a solid, removable fixing is preferred over concrete
• Supporting pergola uprights, decking posts, and timber framed structures on domestic sites
• Temporary or permanent post fixing on hard or soft ground where concrete footing is impractical

Fitting and handling

Mark your post position and use a post driver or heavy mallet with an offcut of timber to protect the socket, driving the spike to full depth so the collar sits flush with the ground. Check for plumb on both faces before driving fully home, as correction is difficult once the spike is set. Drop your 100mm x 100mm post into the socket and secure with the fixing bolts provided through the pre-drilled collar holes.

FAQ

Will a 750mm drive-in spike hold a fence post securely in soft or clay ground?

Yes. The 750mm anchor depth provides a firm hold in most domestic ground conditions including clay and loam. On very soft or waterlogged ground, driving to full depth is important, and a post driver rather than a standard mallet is recommended to keep the spike true and straight during installation.

Do I need to treat the timber post where it sits inside the spike socket?

It is good practice to apply an end-grain preservative to the base of the post before fitting, as the socket can trap moisture against the timber end grain over time. Using a UC4 rated or pressure-treated post will give the best long-term performance alongside the galvanised spike.

Is hot dipped galvanising better than electro-galvanised for outdoor post fixings?

Hot dipped galvanising deposits a significantly thicker zinc coating than electro-galvanising, making it far more suitable for permanent outdoor and ground-contact applications. For fence posts and garden structures that will be exposed to rain and soil contact year-round, hot dipped is the correct specification.

These drive-in post spikes are available at Nottage Timber Merchants in Bridgend and can be ordered online alongside our full range of fence posts. We supply trade and retail customers across South Wales, with delivery available to the Bridgend area.