The Elumen8 CLAM204 (149-HDG) is an inline external sleeve clamp for 48.3mm OD tube, finished in hot-dip galvanised steel. It joins two equal-diameter tubes end-to-end via an external sleeve, delivering a quick, structural inline coupling without specialist tools.
48.3mm
TUBE SIZE · Size 8 / scaffold
149-HDG
FITTING TYPE · External sleeve
HDG
FINISH · Hot-dip galv.
CLAM204
ORDER CODE · Elumen8
Features
External sleeve joins two 48.3mm OD tubes inline
Hot-dip galvanised for outdoor and high-humidity use
Tool-only assembly using grub screws – no welding required
Extends tube runs without welding or bracketry
Suits lighting grids, handrails, exhibition stands and stage frames
Reusable and reconfigurable across multiple builds
Specifications
| Manufacturer | Elumen8 |
| Order code | CLAM204 |
| Fitting reference | 149-HDG |
| Tube diameter | 48.3mm OD |
| Finish | Hot-dip galvanised |
| Application | Inline external sleeve coupling for two equal tubes |





