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Doughty Gravlock Coupler (Used in Pairs)

Doughty Engineering


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These Doughty Gravlock Couplers are designed specifically to secure a BS1139 scaffold tube with 2'' diameter to a girder/beam at 90 degreesSuitable for flanges up to 1.8'' thick.

With a zinc plated exterior, a long life can be guaranteed. It is important to note that these couplers must be used in pairs as supplied and clamped on opposing sides of the structural sections

For any inquiries, please contact us via chat. 


  • SWL: 1323 lbs in all directions
  • This safe working load is calculated from a series of tests carried out both internally and by independent external testing organizations. The safety factors employed are in excess of those recommended by BS 5973: 1993, clause 39:8:2 (i.e. 2 to 1).
  • Tube Diameter: 2''
  • Weight: 3.24 lbs
  • Material: Steel
  • Finish: Zinc Plated
  • Standards: EN74 Class A & B, BS1139 Part 2, ISO9002 / BS5750
      Doughty Engineering
      Doughty Engineering is a UK-based entertainment equipment manufacturer and began the manufacture of products in 1985. Now, it is one of the world’s leading manufacturers of rigging, suspension and lifting equipment for film/TV, theatre and concert halls.

      Quality and safety are key issues for Doughty. As a member of PLASA (Professional Light and Sound Association) and ESTA (Entertainment Services and Technology Association), Doughty adheres strictly to the standards of trading expected.

        International Customers proudly services the United States, Canada, and Mexico. If you need your gear delivered anywhere in Europe, Australia, Asia or Northern Africa, visit MTN Shop EU, our international shop.

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