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Fence Fixings - Thunderbolts

Our THUNDERBOLTS are a great way to secure metal bolt down post supports. 

Each bolt is M8 x 100mm - we recommend the 100mm bolt for extra piece of mind

Using an 8mm drill bit, drill a hole 115mm deep

The bolts are zinc/yellow passivated for extra long lifespan



Simply drill into your existing concrete - making sure you avoid pipes and cables. Bolt the supports down into the holes

Insert the wooden fence post and tighten up the retaining bolts - that's it

All our fence post bases are powder coated to extend their lifespan 

  • From £0.90
  • In Stock
  • Price Each: £0.90

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*Free delivery of our FENCING POST BASE - THUNDERBOLTS to

all of Greater London, Lincolnshire, Cambridgeshire, Nottinghamshire, Leicestershire, Rutland, Peterborough, Milton Keynes, Hull, Norfolk, Sheffield, Doncaster, Stevenage, Bedfordshire, Middlesex;


parts of Derbyshire, Yorkshire, Staffordshire, Warwickshire, Northamptonshire, Oxfordshire, Buckinghamshire, Berkshire, Hertfordshire, Essex, Suffolk, Kent, Surrey

Delivery is available for an extra charge to all of


Avon, Bedfordshire, Bristol, Cheshire, Cumbria, Dorset, Durham, East Sussex, East Riding of Yorkshire, Essex, Gloucestershire, Greater Manchester, Hampshire, Herefordshire, Lancashire, Merseyside, Northumberland, North Yorkshire, Shropshire, Somerset, Tyne & Wear, West Midlands, West Sussex, Wiltshire, Worcestershire & Yorkshire 


Blaenau Gwent, Bridgend, Cardiganshire (Ceredigion), Carmarthenshire, Caerphilly, Conwy, Denbighshire, Flintshire, Gwynedd, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Powys, Rhondda Cynon Taff, Torfaen, Vale of Glamorgan & Wrexham


And parts of Devon – excluding the PL postcode

Sorry – we are unable to offer a delivery service into Cornwall, Scotland or any Islands at present

If you are outside these areas, please get in touch on either 01205 359188 or email using the contact us form at the top of this page.