Product Advantages: Step boldly into the future of construction with Hainan Zirunda's revolutionary Threaded Rebar Couplers. These exceptional connectors are engineered to redefine your building projects by offering unmatched strength and efficiency, elevating construction standards to new heights. Explore our range of Rebar Couplers, Splicing, Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, each artfully crafted for superior performance and unwavering reliability.
1. Luxuriously crafted from the elite 20# seamless steel pipe, these couplers set a gold standard in durability and resilience, effortlessly withstanding the tests of time and the most demanding construction environments.
2. Our unwavering commitment to national standards is resolute. Each sleeve undergoes a thorough inspection and certification process, complete with detailed inspection reports, comprehensive material lists, and authentic certificates, guaranteeing unmatched quality and full peace of mind.
3. Boasting a wide array of specifications and models, supported by a robust inventory, we ensure swift delivery. Regular models are dispatched the same day, offering prompt and reliable service you can depend on.
4. Our esteemed partnerships with industry giants such as China Construction, China Railway, and MCC underscore our profound expertise and the substantial trust we have built 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 |
1. With over 20 years of unmatched expertise in factory production, we establish the definitive benchmark for industry excellence.
2. Our cutting-edge production equipment exemplifies technological progress, ensuring every product not only meets but surpasses industry standards with outstanding quality.
3. Enjoy seamless and efficient transactions with our strategically optimized logistics solutions, crafted to make your interactions smooth and entirely hassle-free.
4. Our unmatched quality control procedures ensure only the highest caliber products reach our esteemed clientele.
5. We provide a diverse range of flexible and convenient payment options, tailored to meet your specific needs for a seamless purchasing experience.
6. With a vast inventory and an efficient production cycle, we are perfectly poised to meet your urgent needs with unparalleled speed and ease.