
Product Advantages: Embark on a transformative journey into the realm of construction with Hainan Zirunda International Trade Co., Ltd's cutting-edge Threaded Rebar Couplers. Revel in these extraordinary engineering masterpieces, exquisitely crafted with precision to redefine construction excellence. As pioneers in construction innovation, our couplers set a new standard for reliability and efficiency. Explore our expertly designed Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, each promising unparalleled performance and unwavering dependability.
1. Engineered to perfection from superior 45# seamless steel pipe, these couplers establish a new benchmark for strength and durability. They offer exceptional resilience and longevity, ensuring the steadfastness and reliability of your projects, even in the most demanding construction environments, thereby preserving the integrity of your project over time.
2. Our dedication to national standards is unwavering. Each sleeve undergoes a rigorous inspection and certification process, bolstered by comprehensive reports, detailed material documentation, and genuine certificates. This meticulous protocol guarantees unmatched quality, instilling supreme confidence in every product we deliver.
3. Offering a vast array of specifications and models along with an expansive inventory, we promise rapid and dependable delivery. Standard models are dispatched the same day, ensuring prompt and efficient service to fulfill your requirements seamlessly at every stage.
4. Our esteemed collaborations with industry titans such as China Construction, China Railway, and MCC exemplify our profound expertise and the significant trust we have cultivated over the years. These partnerships are a testament to our unwavering commitment to excellence.
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 |


International straight thread sleeve |
Diameter |
external diameter |
length |
thread angle |
single weight |
Φ14 |
21 |
35 |
75 |
0.08kg |
Φ16 |
24 |
40 |
75 |
0.1142kg |
Φ18 |
27 |
45 |
75 |
0.157kg |
Φ20 |
30 |
50 |
75 |
0.198kg |
Φ22 |
32.5 |
54 |
75 |
0.28kg |
Φ25 |
37 |
60 |
75 |
0.366kg |
Φ28 |
41 |
65 |
75 |
0.519kg |
Φ32 |
47 |
70 |
75 |
0.55kg |
Φ36 |
53 |
84 |
75 |
0.754kg |
Φ40 |
59 |
90 |
75 |
1.03kg |


1. With over two decades of unparalleled expertise in factory production, we have set the industry standard for excellence and innovation, maintaining a legacy of leadership that remains uncontested.
2. Our state-of-the-art production equipment embodies the pinnacle of technological progress, guaranteeing that each product not only meets but exceeds industry standards, delivering exceptional quality.
3. Experience seamless and efficient transactions with our strategically advanced logistics solutions, designed to ensure your interactions are effortlessly smooth and stress-free.
4. Our rigorous quality control procedures ensure that only the finest products reach our valued clients, reinforcing our reputation for consistent excellence.
5. We provide a wide range of flexible and convenient payment options, tailored to your specific preferences, ensuring a smooth purchasing experience.
6. Equipped with a comprehensive inventory and efficient production cycle, we are prepared to meet your urgent needs with exceptional speed and efficiency, keeping your projects on schedule.
