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Leading UK manufacturer of bespoke forged torsion and anti-roll bars, engineered to enhance vehicle stability in demanding applications across locomotive, commercial, defence, and off-highway sectors.

Offering comprehensive UK manufacturing capabilities for heavy-duty vehicle suspension hardware, backed by advanced hot forging, precision bending, CNC machining, torsion testing, and in-house inspection facilities.

We specialise in the precision manufacture of robust, high-integrity torsion bars designed to withstand extreme torsional loads, cyclic stresses, and severe operational environments. By utilising advanced hot-upset forging, precision bending, and strict heat-treatment processes, we produce components that deliver elite fatigue resistance and structural integrity.

Whether for locomotive bogies, commercial vehicles, defence platforms, or off-highway machinery, we provide a complete, bespoke manufacturing solution tailored to exact engineering specifications.

torsion bars anti-roll bars examples heavy duty large diameter

Comprehensive Manufacturing Processes

From raw material receipt to final packaged delivery, our integrated production facility provides complete control over every stage of the manufacturing lifecycle. This end-to-end capability guarantees strict adherence to engineering tolerances, quality assurance, and project timelines.

raw material sawing and preparation for torsion bar production at Brooks Forgings

Sawing (Raw Material)

Precision cutting facilities ensure accurate blank sizing and preparation from fully certified, high-integrity raw materials.

torsion bars upset forged at Brooks Forgings

Upset Forging

Advanced hot forging cells shape critical components, gathering material to optimise internal grain flow and deliver superior torsional strength.

heavy bending of torsion and anti-roll bars at Brooks Forgings

Bending

Specialist temperature-controlled furnaces and precision tooling shape complex end forms and configurations with minimal surface deformation.

precision torsion bar machining at Brooks Forgings

Machining

Comprehensive CNC machining centres deliver precise component shaping, tight dimensional tolerances, and customised features.

torsion bar splining at Brooks Forgings

Splining

Specialised hobbing and shaping facilities produce high-integrity splines for secure, heavy-duty mechanical engagement.

heat treatment process

Heat Treatment

Controlled thermal processing alters material microstructure to achieve the exact hardness, toughness, and mechanical strength required.

shot peening process

Shot Peening

Advanced surface treatment bombards the component with media to induce compressive residual stresses, dramatically enhancing fatigue life under cyclic loads.

torsion bar painting and coating at Brooks Forgings

Painting & Coating

Protective coating applications safeguard components against corrosion and harsh operational environments.

torsion bar pre-setting and testing at Brooks Forgings

Torsion Testing & Pre-Setting

Rigorous operational simulation and pre-setting processes verify performance, durability, and elastic limits under strict cyclic conditions. We are the only manufacturer in Europe with this critical capability.

marking of torsion bars for full traceability from Brooks Forgings

Marking

Clear, permanent component identification ensures full traceability, batch tracking, and specification compliance.

fully protected and approved torsion bar packaging by Brooks Forgings

Packaging

Secure, bespoke packaging solutions protect finished assemblies during transit, ensuring they arrive on-site ready for immediate installation or long term storage.