Rebar Couplers are advanced mechanical splicing systems used to connect two steel reinforcement bars (rebar) without overlapping, ensuring a strong, secure, and precise joint. These couplers are widely used in modern RCC construction to replace traditional lap splicing methods, saving time, labor, and material costs.
Whether youβre working on high-rise buildings, bridges, tunnels, or infrastructure projects, our ISI-certified rebar couplers provide unmatched strength, safety, and durability.
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I recently had the opportunity to evaluate the ETIX Rolltec parallel-thread coupler (16 mm, ISI-certified) used for mechanical splicing of TMT bars, and here are my observations regarding its performance, strengths, and areas for caution. The Rolltec parallel-thread design ensures full thread engagement, which means that when installed correctly, the joint behaves very similarly to a continuous bar under both tension and compression. This delivers confidence that the splice will not be the weak link in the structure. Being ISI certified indicates that the product meets Indian Standards for steel and mechanical fittings. This suggests consistent material quality, correct chemical composition, and reliable mechanical properties. For structural work, this is an important assurance. The couplerβs threads are well-formed, clean, with tight tolerances. This helps avoid cross-threading, misalignment, or loose fits. In use, the coupler connected bars smoothly, and torque required was within expected range without excessive effort. Because mechanical splicing avoids long lap lengths, using couplers greatly reduces congestion in reinforced concrete zones. This not only helps concrete flow during pouring, but also improves clarity and safety in reinforcement layout. Once the bars are properly prepared (cleaned, correctly threaded or matched), the coupler assembly is straightforward. The parallel thread system means both ends can be rotated (if accessibility allows) to achieve full engagement, simplifying installation in many situations. in Quality. "Good Product"