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The Girder Coupler is used to connect scaffold tubes to girders and other steel sections which demand a specialized fitting with a high degree of performance. The Gravlock Girder Coupler has been especially designed to fasten either horizontal or vertical flanges, and can accommodate up to 43mm (1 3/4).
Gravlock Coupler can be effectively used for erection; it allows the fitting to be bolted to the girder first, and leave both hands free to present and lock the tube. The fittings are made only for the compression joints, and it should not be used where tension can develop in the tubes.