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Threaded connection MAX FRANK Coupler

Mechanical connection and anchoring of rebars by means of threaded couplers for permanent and dynamic loading

The newly developed MAX FRANK threaded socket connections are used where the conventional splice joint is not practical or not permitted. They are also used where rebending is not possible due to the rebar diameter.

The rebar connection usually consists of a threaded rod with a pre-mounted threaded coupler for the 1st construction phase as well as the continuation bar for screwing in during the 2nd construction phase.

Threaded coupler connections offer an efficient and cost-effective way to connect with reinforcing bars under permanent and dynamic loads.


  • Approval from the German Institute of Building Technology Berlin for rebar diameters 12 - 40 mm for standard, positioning and reducing connections as well as end anchors (Z-1.5-282).
  • Easy and quick installation
  • Available for all common rebar diameters (12 to 40 mm)
  • 100 % force transmission - “bar break”
  • No reduction in the rebar cross-section
  • No positioning couplers required
  • Designed to conform to international standards: Eurocode 2 (NEN/DIN/BS EN 1992-1-1), ACI 318 type 1-2, test standard ISO 15835
  • European Technical Assessment, ETA-20/0387
Product variants
System solution
System solution Threaded connection MAX FRANK Coupler
System solution Threaded connection MAX FRANK Coupler

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