
Product Advantages: Experience the pinnacle of construction technology with the Threaded Rebar Couplers from Hainan Zirunda International Trade Co., Ltd. These couplers epitomize precision engineering, revolutionizing your construction endeavors with impeccable performance. At the cutting edge of construction advancements, our couplers deliver unparalleled reliability and efficiency. Discover our meticulously engineered Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, all offering exceptional performance and unwavering dependability.
1. Meticulously crafted from superior 45# seamless steel pipe, these couplers set a new standard for strength and durability. They offer remarkable resilience and longevity, ensuring your projects' stability and reliability in even the most challenging construction environments, preserving your project's integrity over time.
2. Adhering to national standards with unfaltering dedication, each sleeve undergoes a thorough inspection and certification process. Our detailed reports, comprehensive material documentation, and genuine certificates guarantee unmatched quality, instilling absolute confidence in every product we deliver.
3. Our extensive range of specifications and models, coupled with a substantial inventory, ensures quick and reliable delivery. Standard models are shipped the same day, offering prompt and consistent service to efficiently meet your needs at any stage.
4. Our esteemed partnerships with industry leaders such as China Construction, China Railway, and MCC showcase our deep expertise and the substantial trust we have built over the years. These collaborations 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 more than twenty years of unparalleled experience in factory production, we have established the industry benchmark for excellence and innovation, maintaining an unmatched leadership and legacy.
2. Our state-of-the-art production equipment represents the pinnacle of technological innovation, ensuring every product not just meets but exceeds industry standards with remarkable quality.
3. Benefit from seamless and efficient transactions with our strategically advanced logistics solutions, meticulously designed to make your interactions effortlessly smooth and stress-free.
4. Our rigorous quality control procedures ensure that only the highest caliber products reach our valued clients, reinforcing our reputation for uncompromising excellence.
5. We provide a wide array of flexible and convenient payment options, tailored to your specific requirements, guaranteeing a seamless purchasing experience.
6. Our comprehensive inventory and efficient production cycle enable us to meet your urgent demands with exceptional speed and precision, keeping your projects on schedule.
