
Product Advantages: Step into the future of construction with Hainan Zirunda International Trade Co., Ltd's exceptional offerings. Our Threaded Rebar Couplers are celebrated as a groundbreaking marvel in the building industry, crafted to propel your projects to extraordinary heights. These couplers epitomize reliability and efficiency, meticulously designed to revolutionize your construction pursuits. As vanguards of construction progress, our Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves are precision-engineered to deliver unparalleled performance and steadfast dependability.
1. Engineered with meticulous precision from high-grade 45# seamless steel pipe, our couplers set a new benchmark for durability and strength, ensuring resilience and longevity even in the most challenging construction environments.
2. Strict adherence to national standards ensures that each sleeve undergoes comprehensive inspection and certification. Accompanied by detailed inspection reports, complete material documentation, and authentic certificates, we guarantee unparalleled quality, instilling absolute confidence in our products.
3. With a wide array of specifications and models supported by an extensive inventory, we promise rapid delivery. Our standard models are dispatched on the same day, ensuring consistent and reliable service.
4. Our esteemed partnerships with industry titans like China Construction, China Railway, and MCC underscore our profound expertise and the unwavering trust we have cultivated over the years.
Name: |
Thread Rebar Couplers Standard Type |
Used for Rebar: |
HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpaor lower than that. |
Raw Material: |
S45C -yield strength420Mpa, Tensile strength:600-650MPa |
Size: |
16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm |
Packing: |
By bags and pallets packing, or wooden case packing as required (25KGsmaller packing,1700KG per pallet) |
Sample |
Free existing samples for checking dimension and quality |
Production time: |
15-40 days based on different quantity after receive the prepayment |
Shipping Port: |
Xingang,Tianjin Port,Shanghai Port, China. |
Payment Terms: |
TT/LC |
Certificate: |
ISO/CE |


Weldable sleeve |
specification |
external diameter |
length |
quantity per unit |
Φ12 |
21 |
20 |
600 Units/pieces |
Φ14 |
24 |
22 |
500 Units/pieces |
Φ16 |
29 |
26 |
300 Units/pieces |
Φ18 |
31 |
28 |
250 Units/pieces |
Φ20 |
34 |
32 |
200 Units/pieces |
Φ22 |
39 |
34 |
150 Units/pieces |
Φ25 |
44 |
38 |
100 Units/pieces |
Φ28 |
49 |
43 |
80 Units/pieces |
Φ32 |
54 |
46 |
60 Units/pieces |
Φ36 |
56.5 |
56 |
40 Units/pieces |
Φ40 |
63 |
62 |
30 Units/pieces |


1. With over two decades of unrivaled expertise in factory production, we consistently establish the benchmark for industry excellence.
2. Our state-of-the-art production equipment embodies the pinnacle of technological innovation, ensuring each product not only meets but surpasses industry standards with exceptional quality.
3. Enjoy seamless and efficient transactions through our meticulously crafted logistics solutions, designed to make your interactions smooth and hassle-free.
4. Our unparalleled quality control processes ensure that only the finest products reach our esteemed clients, maintaining our renowned reputation for excellence.
5. We offer a comprehensive selection of flexible and convenient payment options, tailored to suit your specific needs for a streamlined purchasing experience.
6. With a robust inventory and a swift production cycle, we are poised to meet your urgent demands with unmatched speed and ease.
