Quick Trigger Clamps

Doughty quick trigger clamps are the fast-rigging alternative to standard hook clamps for attaching stage lights, moving heads and accessories to 38mm to 80mm lighting bars, scaffold tube and truss. The spring-loaded jaws close automatically under the weight of the fixture, leaving both hands free to position the load. The lateral screw position allows the clamp to mount at any point on a truss without obstruction from cross webs. Built from high-tensile extruded aluminium, TÜV approved and stamped with SWL.

MTN Shop UK stocks the complete Doughty quick trigger clamp range including standard, slimline, Titan, all weather, TV receiver and hanging clamp versions. Browse our full range of Doughty clamps and couplers or visit our entertainment and stage rigging guide.

Quick Trigger Clamps - MTN Shop UK
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Quick Trigger Clamps – Product list

Doughty Quick Trigger Clamps for Stage Lighting and Live Events

Doughty quick trigger clamps are the professional fast-rigging stage clamp for touring productions, repertoire theatre and live events. Spring-loaded jaws stay open and close automatically under the weight of the fixture, allowing one person to position and secure a heavy moving head or lantern without a second operator or a spanner. The lateral screw position means the clamp mounts at any point on a truss without obstruction from cross webs. All Doughty quick trigger clamps are manufactured from high-tensile extruded aluminium, TÜV approved and CE marked.

Quick Trigger Clamp Types

Trigger Clamps with Standard Bolt Fixing

All Weather Trigger Clamps

When to Use a Trigger Clamp

  • Touring and live events: faster get-in and get-out compared to bolt-tightened hook clamps.
  • Repertoire theatre: frequent re-rigging between shows without tools.
  • Moving heads and heavy fixtures: automatic closure under load means one person can position and secure a heavy lantern safely.
  • Tight truss formations: lateral screw position allows mounting at any point without cross-web obstruction.

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

A Doughty hook clamp requires a bolt and wing nut to be manually tightened around the tube. A Doughty quick trigger clamp has spring-loaded jaws that close automatically under the weight of the fixture, allowing one-person rigging without tools. The lateral screw position of the trigger clamp also allows it to mount at any point on a truss without obstruction from cross webs.
Standard Doughty quick trigger clamps fit 38mm to 51mm tube. The Titan range covers 48mm to 80mm for larger diameter tubes used in TV studios and heavy-duty structural applications. Always check the individual product listing to confirm the tube diameter before ordering. Slimline versions are available across both ranges for fitting between truss webs.
The Doughty Titan Quick Trigger Clamp is the heavy-duty version of the standard trigger clamp, designed for 48mm to 80mm tube. TÜV certified and available with and without a 29mm receiver, and as a hanging clamp with eye. Used in TV studios and film sets where larger diameter tubes require a trigger clamp rather than a standard 38mm to 51mm version.