Fence support spike with 4" x 4" socket for securing posts without digging. 4-finned anchor point. 600mm length suits firm soil conditions with standard driving depth.
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Key Features
{{fence}} Rigid foundation for timber fence posts
{{fitness_center}} Prevents posts from shifting or tilting over time
{{construction}} Requires minimal tools and reduces labour time
{{pest_control}} Reduces ground contact, decreasing fungal and water damage
Technical Specification
Technical Specification
URN:
4001447
Product:
4" x 4"
Application:
Securing timber posts to soil
Indoor/Outdoor Usage:
Outdoor
Material Type:
Steel
Thickness:
100mm
Width:
100mm
Length:
600mm
Weight:
2.5kg
Sales Unit:
Length
Fire Rating:
A1 Non-Combustible
Moisture Resistant:
Yes
Product Overview
Fence Support Spike measuring 600mm in length with a 100mm x 100mm (4" x 4") post socket. Designed to secure larger timber posts without the need for digging or concrete, it provides a durable and stable foundation for heavy-duty fencing and garden structures.
Constructed from high-strength steel with a protective coating, it offers long-term resistance to corrosion and ground moisture. The four-finned anchor design provides a secure hold in firm soil, preventing movement under load.
The 100mm square socket section grips the post securely, maintaining vertical alignment while keeping the timber base elevated above ground contact to reduce decay risk.
At 600mm long, it is suited to firm or compacted soil where standard driving depth achieves reliable stability for 4-inch posts.
Features & Benefits
Heavy-duty steel construction: Provides robust performance and long-term structural integrity.
Protective coating: Shields against corrosion and weather exposure for extended service life.
Four-finned anchor design: Ensures strong ground hold and prevents lateral movement in firm soil.
Square 100mm x 100mm (4" x 4") socket: Designed for larger fence posts, providing a stable and secure fit.
No-dig installation: Removes the need for concrete, reducing installation time and site disruption.
600mm length: Ideal for firm soil conditions where standard driving depth achieves full anchorage.
Applications
Heavy-duty fencing: Provides a solid base for larger structural posts.
Garden and boundary gates: Suitable for supporting gate posts and entry structures.
Decking and pergolas: Offers a stable footing for square timber columns.
Repair and retrofit work: Enables quick post replacement without excavation.
Installation Guidance
Drive into ground with post driver: Ensures consistent insertion and minimal ground disturbance.
Check alignment as driven: Maintains accurate line and level across post runs.
Insert post fully into socket: Provides complete bearing support for vertical load.
Tighten clamping bolts: Secures post firmly to prevent movement or rotation.
Compliance & Performance
Galvanised or coated steel finish: Protects against corrosion and environmental wear.
Structural design: Engineered for stability in standard fencing and structural applications.
Compatible post size: Sized precisely for 100mm (4") timber posts.
Important note: Always check for buried utilities before driving spikes and wear suitable PPE during installation.
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
Core Products
Core
ORDER VALUE
DELIVERY CHARGE
Under £250
ex. VAT
£25
ex. VAT
Over £250
ex. VAT
FREE
Core Delivery is our most competitive delivery fee. To qualify for Core Delivery, all the products in your basket need to be from our Core range. Core products have the Core icon next to their picture.
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE
DELIVERY CHARGE
Under
£300
£30
ex. VAT
Over
£300
ex. VAT
FREE
Express Delivery
Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE
DELIVERY CHARGE
Under
£400
£90
ex. VAT
Over
£400
ex. VAT
£55
ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
Deliveries are typically kerbside.
Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
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