Small Tube Clamps

The Doughty Atom clamp range is the specialist solution for tubes below the standard 48mm diameter. Covering 25mm to 38mm tube in hook clamp, half coupler, hanging clamp with eye, swivel coupler, 90 degree fixed coupler and parallel coupler configurations. Lightweight high-tensile aluminium, 100kg WLL, TÜV certified. Used in theatre, film, TV and live events wherever decorative truss, stand centre tubes or smaller diameter bars are part of the rig.

Browse our full range of Doughty clamps and couplers or visit our entertainment and stage rigging guide.

Small Tube Clamps - MTN Shop UK
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Small Tube Clamps – Product list

Doughty Atom Small Tube Clamps - 25mm to 38mm

The Doughty Atom range is the specialist small tube clamp solution for tubes below the standard 48mm diameter. Where a standard hook clamp or half coupler is too large, an Atom clamp fits. Available in hook clamp, half coupler, hanging clamp with eye, swivel coupler, 90 degree fixed coupler and parallel coupler configurations, covering 25mm to 38mm tube. Lightweight high-tensile extruded aluminium construction, 100kg WLL and TÜV certified. Available in polished silver and black powder coat.

Products in This Range

  • Doughty Atom Hook Clamp: available in 25mm, 32mm, 35mm and 38mm. The standard small tube hook clamp for hanging fixtures from decorative truss, stand centre tubes and studio bars.
  • Doughty Atom Half Coupler: available in 25mm, 32mm, 35mm and 38mm. Full wrap-around coupler for a stronger grip than the hook clamp version.
  • Doughty Hanging Clamp with Eye: available in 25mm, 32mm and 38mm. Creates a suspension eye point on a small diameter tube for wire rope and sling connections.
  • Doughty Atom Swivel Coupler: available in 25mm, 32mm and 38mm. Joins two small diameter tubes at any angle for flexible rig configurations.
  • Doughty Atom 90 Degree Fixed Coupler: available in 25mm, 32mm and 35mm. Joins two tubes at a fixed right angle for building lightweight truss and display structures.
  • Doughty Atom Parallel Couplers: available in 25mm, 32mm, 35mm and 38mm. Joins two tubes running parallel side by side. Available in aluminium and black.

Compatible Tube Diameters

  • 25mm: smallest Atom clamp, M6 bolt fixing. Hook clamp, half coupler, hanging clamp with eye, swivel coupler, 90 degree fixed coupler and parallel coupler available.
  • 32mm: common on lightweight truss chords and studio stands. Hook clamp, half coupler, swivel coupler, 90 degree fixed coupler and parallel coupler available.
  • 35mm: M10 bolt fixing. Hook clamp, half coupler, 90 degree fixed coupler and parallel coupler available.
  • 38mm: largest Atom size, M10 bolt fixing. Hook clamp, half coupler, hanging clamp with eye, swivel coupler and parallel coupler available.

What to Look For

  • Tube diameter: always measure the outside diameter of your tube before ordering. Atom clamps are available in 25mm, 32mm, 35mm and 38mm sizes.
  • SWL: all Doughty Atom clamps are rated to 100kg WLL and independently TÜV certified.
  • Finish: polished aluminium for front-of-house and display applications. Black powder coat for backstage and studio environments.

Always use a secondary Doughty safety bond when rigging any fixture overhead, regardless of clamp type. Browse our full range of Doughty clamps and couplers for the complete range.

Frequently Asked Questions

Doughty Atom clamps are small tube clamps for hanging stage lighting fixtures from tubes with an outside diameter of 25mm to 38mm. Used in theatre, film, TV and live events on decorative truss, stand centre tubes and studio bars where a standard 48mm hook clamp or half coupler would not fit. All Atom clamps are 100kg WLL, TÜV certified and available in polished aluminium and black.
Doughty Atom clamps are available in four tube sizes: 25mm, 32mm, 35mm and 38mm outside diameter. Always measure the outside diameter of your tube before ordering. The range covers hook clamps, half couplers, hanging clamps with eye, swivel couplers, 90 degree fixed couplers and parallel couplers across the four sizes.
The Doughty Atom hook clamp hooks over the top of a small diameter tube and is locked with a single bolt, giving fast one-person rigging. The Doughty Atom half coupler wraps fully around the tube for a stronger grip and more secure connection. Both are rated to 100kg WLL. Use the half coupler where extra security is required or where the clamp may be subject to side loading.

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