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Leading UK Manufacturer of Specialist Foundation Tubes

We specialise in the precision manufacture and supply of high-integrity bolt assemblies, including specialised configurations featuring tubes, plates, and box sections.

Engineered for complex structural connections, civil engineering support systems, and demanding industrial applications, these components provide reliable, heavy-duty fastening where standard assemblies are insufficient.

Utilising advanced in-house fabrication, welding, and machining processes, we ensure complete structural integrity, dimensional accuracy, and optimal compatibility for bespoke engineering requirements. Whether for major infrastructure projects or specialised architectural steelwork, we provide a complete, high-quality manufacturing solution.

Plate E is typically slotted and lugged to receive a corresponding Hammerhead T-bolt head form, either DIN 7992, DIN 261, or SN425, also manufactured and supplied by Brooks Forgings Ltd.


bolt foundation tubes diagram drawing

Bolt Foundation Tube Technical Dimensions and Specifications
D E F G L1
Tube Diameter Washer Plate Size Box Size Bottom Plate Size Tube Length
mm mm mm mm mm
48.3 80x80x10 70x70x30 80x80x3 Supplied to customer specific requirements
48.3 80x80x15 70x70x35 80x80x3
76.1 110x110x20 80x80x40 100x100x3
76.1 110x110x25 90x90x50 110x100x3
76.1 110x110x25 90x90x50 110x110x3
76.1 130x130x25 100x100x60 120x120x3
101.6 160x160x30 120x120x70 140x140x3
101.6 180x180x35 130x130x70 150x150x3
101.6 250x250x35 130x130x90 150x150x3
101.6 250x250x35 140x140x100 160x160x3
101.6 300x300x40 150x150x120 180x180x3