Doughty Mammoth Swivel Coupler - 2.5'' Clamp, (Cheeseboro)

Doughty Mammoth Swivel Coupler - 2.5'' Clamp, (Cheeseboro)

The Doughty Mammoth Swivel Coupler is a heavy-duty clamp engineered to connect 2.5'' diameter tubes securely at any angle. Made from high tensile aluminum extrusion, this swivel coupler enables a strong and quick fixing between adjacent bars, offering full 360-degree movement for maximum flexibility in rigging configurations.

This specialized coupler is ideal for larger tubing applications and is widely used in the theatre, film, television, and photographic industries. Whether you're bracing a truss or connecting structural elements at unconventional angles, the Mammoth Swivel Coupler delivers reliable performance under demanding conditions.

Also available in Parallel and 90-Degree Coupler versions for additional mounting options. For any inquiries, please contact us via chat.

Downloads:

User Manual

Key Features:

• Constructed from high tensile aluminum extrusion for maximum strength
• Designed to clamp 2.5'' diameter tubes (60-63mm)
• Allows 360-degree swivel movement for flexible rigging applications
• Available in polished aluminum or black powder paint finishes
• Widely used in theatre, film, TV, and photography industries

Specifications:

• SWL: 1102 lbs
• Tube Diameters: 2.5''
• Width: 1.97''
• Tube Centres: 3.9''
• Weight: 2 lbs

References:

• Material: High tensile aluminum
• Finish: Available in polished aluminum or black powder paint
• Manufacturer: Doughty Engineering – UK-based leader in rigging and suspension equipment since 1985

What is a Cheeseboro?

Cheeseborough clamps aka Cheeseboro, Scaffold Clamps, Couplers, Swivels and even Cheese-burger or Burger Clamps. The name is believed to derive from the Chesebro-Whitman manufacturing company of New York. The devices are used for connecting iron pipes or aluminum tubes. They come in two styles; rigid (aka fixed 90°) or Swivel.