Specialist Systems

Key Clamp

from

£90/m supply only

not sure yet?

Tell us about your project and we'll guide you.

  • What length do I need?
  • Is a key clamp system right for my project?
  • What if I’ve got my measurements wrong?
Specialist Systems

Key Clamp Systems

SWR supplies a comprehensive range of galvanised key clamp fittings and tube suitable for applications from lightweight frames and furniture to heavy-duty handrailing, pedestrian safety barriers and DDA-compliant ramps. Manufactured from high-quality galvanised steel, assembled on site without welding using a standard hex key. 

Range

6 sizes

material

304/316 grade stainless

finish

galvanised, powder coat or bare

performance

load tested components

From

£90

per metre· supply only · + VAT
— Quote in 1 working day
— Free design consultation
— 14-day returns
what's included

Everything you need to get the job done

Key clamp systems are supplied as individual fittings and tube lengths — buy what you need from stock, or let SWR design and quote a complete bespoke system. All fittings are manufactured from high-quality galvanised steel and assembled on site without welding.

Tube

Galvanised steel tube in six diameters: 27mm, 34mm, 42mm, 48mm, 60mm and DDA. Available in standard lengths — cut to size if required.

Key Clamp Fittings

Malleable galvanised iron fittings for every configuration: 90° elbows, tees, cross pieces, end rail fittings, handrail brackets and more. Tightened onto tube with a standard hex key.

Posts

Pre-assembled posts available for common configurations — ready to fix straight from the box. Available through the online store.

End Caps

Matching galvanised end caps for a clean, finished post top. Supplied with pre-assembled posts, available individually for DIY builds.

Hex Key

All key clamp fittings are tightened with a standard hex key — no welding, no specialist tools required. Site assembly is straightforward.

Tools & Guide

Full installation guide supplied with every order. Configurator-generated component list included for straightforward site assembly.

design your Key Clamp system

Use the Key Clamp System Configurator

Know what you need? Buy components directly from our online store. Have a more complex layout? Send us your drawings or dimensions and we’ll design a full bespoke system and provide a detailed quote.

specialist Systems types

Four Specialist Systems Pick Yours

Each of the four systems below is a complete, modular product set designed for a specific application, built to your spec, fully matched and priced as one. Pick the one that fits your project.

541122430_122139012542893759_8511425955457595729_n (1)

Wind Protection

ALUMINIUM CHANNEL · WIND RESISTANT · INDOOR/OUTDOOR

A balustrade system built specifically to reduce wind exposure on elevated or coastal outdoor spaces, without blocking the view or the light. Glass or solid panel infill within a stainless post frame, sized and positioned to act as a wind break where it’s needed most.

Best for roof terraces, coastal balconies, elevated decks, hillside properties and exposed garden terraces.

Key Clamp Systems

MALLEABLE IRON · NO WELDING · FAST ASSEMBLY

Malleable iron fittings clamped onto standard stainless or galvanised tube, assembled on site with a hex key, no welding, no specialist trades. A modular railing system that goes up quickly and can be reconfigured just as easily. Available in hot-dip galvanised, powder coat or bare finish. Compliant with UK building regulations when correctly specified.

best for industrial facilities, warehouses, commercial staircases, external ramps and temporary installations.

Protective Screens

SOLID PANEL · STAINLESS OR MILD STEEL · BESPOKE SIZING

Solid or semi-solid stainless screen panels within a post frame, designed to provide a physical barrier where open infill won’t do the job. Used on commercial rooftops to screen plant and equipment, in industrial settings to guard machinery, and in public buildings where a solid barrier is a safety or planning requirement. Bespoke panel sizing available to suit non-standard openings.

Best for rooftop plant screening, machinery guarding, commercial safety barriers and public building applications.

Perforated Panel Systems

PERFORATED STEEL · SEMI-OPAQUE · POWDER COAT FINISH

Stainless or mild steel panels with a punched perforation pattern, set within SWR’s standard modular post frame. Semi-opaque, offering more privacy and wind resistance than wire, more light and air than a solid panel. Perforation patterns available in a range of open areas depending on the level of screening required. Powder coat finish available across the full RAL range.

best for architectural staircases, garden screening and commercial facades
Key Clamp System specifications

Engineered to the highest standards.

SWR key clamp fittings are manufactured from high-quality galvanised steel, durable, corrosion resistant and suited to indoor and outdoor applications including industrial environments. No welding required, all fittings are assembled with a standard hex key, making key clamp one of the most practical and adaptable railing systems available. Systems can be assembled, disassembled and reconfigured on site without specialist trades. Full specifications and technical data available to download below.

Key Clamp — Full Range Specification

PDF · 2.4MB

Key Clamp — Fitting Types Guide

PDF · 1.4MB

Key Clamp — DDA Specification

PDF · 1.1MB
project spotlight

SWR's Milestone Installation at Addenbrookes Hospital

Addenbrookes Hospital required a large-scale balustrade solution that could improve safety while fitting neatly into a busy healthcare setting.

Modular system

24 weeks

450 panels installed

key clamp system faqs

Common questions about key clamp systems

What is a key clamp system and how does it work?

Key clamp is a modular railing system using malleable galvanised iron fittings that clamp onto standard steel tube using a hex key — no welding, no specialist fabrication equipment required. Fittings are available for every common configuration: 90° bends, tees, crosses, handrail brackets, end caps and more. The system can be assembled on site by any competent builder or tradesperson, and can be disassembled and reconfigured as easily as it goes together.

Yes, when correctly specified. Key clamp systems can meet the height, load and graspability requirements of BS 6180 and Approved Document K for handrails and barriers. The correct tube size and post spacing must be selected for the application — 48mm tube is the standard specification for pedestrian safety and commercial handrailing. Building Control sign-off requirements vary by project — SWR can provide specification documentation to support your application.

The DDA tube and fitting range is specifically designed for handrail applications on disability ramps and accessible routes — profiled and dimensioned to meet the graspability and continuity requirements of the Disability Discrimination Act and current BS 8300 guidance. If your project includes a DDA-compliant ramp or accessible entrance, specify the DDA range rather than standard 42mm or 48mm tube.

Both options are available. Individual fittings, tube lengths and pre-assembled posts are available to order directly through SWR’s online store — useful for small jobs, repairs and self-build projects. For larger or more complex layouts, SWR will design a bespoke system to your specification and provide a complete component quote. Send us your drawings or dimensions and we’ll turn around a detailed quote within [X] working days.

All key clamp fittings and tube are galvanised as standard — a hot-dip galvanised coating that provides excellent corrosion resistance for outdoor and industrial use. Powder coat finish is available on some components for projects where a colour finish is required. Confirm your finish requirement at quote stage.

get a key clamp system quote

Request a Free Key Clamp System Quote

Tell us your application, tube size requirement and run length — or send us your drawings — and we’ll design and price a complete key clamp system to your specification. Or buy components directly from our online store.