EVT50C-HSC — Half-Coupler Swivel Clamp for 48mm to 51mm Tubing

The EVT50C-HSC is a two-tone silver and black half-coupler swivel clamp for 48mm to 51mm (2-inch) OD truss, tube, and pipe — a professional rigging clamp with a half-coupler seating profile that holds close to the tube surface and a swivel body that allows connected hardware to be directed at any angle without repositioning the collar. Rated at 500 kg safe working load for axial and tensile applications and 100 kg max shear load for side-loaded configurations, built from 6061-T6 aluminum alloy with an anodized two-tone finish, weighing 1.02 kg, and TUV Certified.

Function and Compatibility:

The EVT50C-HSC clamps to any 48mm to 51mm OD round tube or pipe through a wing nut collar assembly. The half-coupler body profile conforms closely to the tube surface, providing a stable seating geometry that resists rotation and shifting under load better than open-collar designs. The swivel joint at the attachment point allows fixtures, rigging hardware, and accessories to be aimed or positioned at any angle once the collar is clamped to the tube. The anodized two-tone silver and black surface treatment protects the aluminum body from moisture and environmental exposure while delivering a professional finish appearance. Compatible with EVT290S, EVT290I, F34 series truss main chords, and standard Schedule 40 aluminum pipe in the 48mm to 51mm outer diameter range.

Key Features

• Half-Coupler Seating Profile: The half-coupler body seats closely against the tube surface for a stable, low-profile grip that resists rotation and shifting under load.
• Swivel Body: The swivel joint at the attachment point allows connected fixtures and hardware to be aimed or adjusted at any angle without repositioning the clamp on the tube.
• Dual Load Ratings: Rated at 500 kg safe working load for axial and tensile applications and 100 kg max shear load for side-loaded configurations — apply the correct rating for the loading direction of the installation.
• Two-Tone Silver and Black Anodized Finish: Factory-applied anodized surface treatment in silver and black provides corrosion resistance and a distinctive two-tone professional appearance for both indoor and outdoor use.
• 48mm to 51mm Tube Fit: Fits standard 48mm to 51mm (2-inch) OD tubing — compatible with F34 truss, EVT290S, EVT290I main chords, and Schedule 40 aluminum pipe.
• 6061-T6 Aluminum Body: High-strength structural aluminum at 1.02 kg for heavy-duty rigging applications.
• TUV Certified: Independently tested and certified load ratings.
• S45C Carbon Steel Hardware: High-strength S45C carbon steel fasteners for reliable long-term clamping performance.
• Wing Nut Closure: Tool-free collar tightening — open, seat, and lock without wrenches or hex keys.

Assembly Instructions

1. Release the wing nut by turning it counterclockwise to release the bolt and open the collar.
2. Place the EVT50C-HSC on the truss, tube, or pipe and close the collar.
3. Put the bolt back in place with the washer and wing nut above the collar.
4. Make sure the EVT50C-HSC is set in its proper place on the truss, tube, or pipe before tightening the wing nut.
5. Turn the wing nut clockwise to tighten and secure the EVT50C-HSC into place.

Safety and Rigging Notice

Critical Rigging Guidelines:

• Load Ratings: Do not exceed the 500 kg safe working load for axial and tensile applications or the 100 kg max shear load for side-loaded applications. Apply the correct rating for the loading direction of your installation.
• Inspection: The EVT50C-HSC should be fully inspected before every use. In the occurrence of any damage or defect, the clamp should not be used.
• Secondary Safety: The use of safety cables is recommended for maximum security on all overhead applications.
• Professional Review: The purchase of this product does not authorize or approve a specific installation or use. A licensed professional engineer shall review all structures, lighting plots, or other clamp uses.

Technical Resources and Project Support

Need load tables, CAD files, or engineering documentation for this product? Contact the Evolve Truss team — we'll get you what you need.

Disclaimer and Guidance Statement: The purchase of any product shall not be construed as authorizing or approving a specific installation or usage. A licensed professional engineer shall review all structures, lighting plots, or any other product uses. While exhaustive efforts have been undertaken to ensure the precision of this information, Evolve Truss Worldwide, LLC hereby disclaims any and all liability for errors. These drawings are intended solely for the purpose of providing guidance and should not be construed as definitive representations.