| Customization: | Available |
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| After-sales Service: | Yes |
| Connection: | Thread |
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Product Advantages: Venture into the forefront of modern construction innovation with Hainan Zirunda's revolutionary Threaded Rebar Couplers. These exceptional connectors are engineered to elevate your construction projects by delivering unmatched strength and superior efficiency. They establish a new benchmark in construction technology. Explore our comprehensive range of Rebar Couplers, Splicing, Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves. Each product is precisely crafted for optimal performance and unwavering reliability.
1. Luxuriously fashioned from premium 20# seamless steel pipe, our couplers set the gold standard in both durability and resilience. They withstand the test of time and the most demanding construction conditions with ease.
2. We uphold a steadfast commitment to strict national standards. Every sleeve undergoes a rigorous inspection and certification process, complete with comprehensive inspection reports, detailed material lists, and authentic certificates. This ensures unparalleled quality and provides absolute peace of mind.
3. Equipped with a broad array of specifications and models, supported by an extensive inventory, we promise rapid delivery. Standard models are shipped the same day, guaranteeing you receive prompt, reliable service every time.
4. Our esteemed collaborations with industry giants such as China Construction, China Railway, and MCC underscore our deep expertise and the significant trust we have cultivated over the years.
| Diameter | Length | Outside diameter | pipe thickness | Bore size |
| Φ14 | 95/ | 28 | 4.5 | 23.5 |
| Φ16 | 95/110 | 30 | 4.5 | 25.5 |
| Φ18 | 118/125 | 34 | 5.7 | 28.3 |
| Φ20 | 120/130 | 36 | 6 | 30 |
| Φ22 | 132/140 | 40 | 6.8 | 33.2 |
| Φ25 | 150/170 | 45 | 7.5 | 37.5 |
| Φ28 | 168/190 | 50 | 8 | 42 |
| Φ32 | 192/220 | 55 | 9 | 46 |
| Φ36 | 220/ | 63 | 10 | 53 |
| Φ40 | 250/ | 70 | 11 | 59 |
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