
Product Advantages: Welcome to the pinnacle of construction innovation with Hainan Zirunda International Trade Co., Ltd! Our Threaded Rebar Couplers stand as a testament to revolutionary progress in the construction realm, poised to elevate your projects to extraordinary heights. These couplers embody the essence of reliability and efficiency, meticulously engineered to transform your construction pursuits. As trailblazers in construction advancements, our Rebar Couplers, Splicing, Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves are crafted with unparalleled precision, guaranteeing exceptional performance and steadfast dependability.
1. Meticulously crafted from premium 45# seamless steel pipe, our couplers redefine robustness and endurance, ensuring resilience and longevity even in the most challenging construction environments.
2. Stringently adhering to national standards, each sleeve undergoes thorough inspection and certification. Accompanied by detailed inspection reports, comprehensive material documentation, and authentic certificates, we assure unparalleled quality, instilling the utmost confidence in our products.
3. Featuring a wide selection of specifications and models supported by a robust inventory, we guarantee rapid delivery. Our standard models are dispatched the same day, ensuring consistent and reliable service.
4. Our esteemed partnerships with industry leaders such as China Construction, China Railway, and MCC highlight our profound expertise and the unwavering trust we have garnered 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 unmatched expertise in factory production, we continuously set the standard for industry excellence.
2. Our state-of-the-art production equipment represents the pinnacle of technological innovation, ensuring each product not only meets but exceeds industry standards with outstanding quality.
3. Experience seamless and efficient transactions with our expertly designed logistics solutions, engineered to ensure your interactions are smooth and hassle-free.
4. Our meticulous quality control processes ensure that only the finest products reach our cherished clients, maintaining our esteemed reputation for excellence.
5. We offer a broad selection of flexible and convenient payment options, tailored to meet your specific needs for a streamlined purchasing experience.
6. With a comprehensive inventory and expedited production cycle, we are well-equipped to meet your urgent demands with unmatched speed and convenience.
