
Product Advantages: Experience a groundbreaking transformation in construction with the innovative Threaded Rebar Couplers by Hainan Zirunda International Trade Co., Ltd. Admire these exceptional feats of engineering that redefine precision and revolutionize your construction practices with unparalleled performance. Leading the way in construction innovation, our rebar couplers exemplify unmatched reliability and efficiency. Explore our meticulously engineered Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, all delivering superior performance and unwavering dependability.
1. Crafted to perfection from premium 45# seamless steel pipe, these couplers set new standards for strength and durability. They provide exceptional robustness and longevity, ensuring your projects' stability and reliability in the toughest construction environments, preserving the integrity of your work over time.
2. We adhere to national standards with fierce dedication. Every sleeve undergoes a comprehensive inspection and certification process, backed by extensive reports, detailed material documentation, and genuine certificates. This meticulous protocol guarantees unparalleled quality, offering you supreme confidence in every product we deliver.
3. With a diverse array of specifications and models alongside an extensive inventory, we ensure rapid and reliable delivery. Standard models are shipped the same day, guaranteeing prompt and dependable service to efficiently meet your needs at every stage.
4. Our esteemed collaborations with industry leaders such as China Construction, China Railway, and MCC underscore our profound expertise and the considerable trust we've built 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 20 years of unparalleled expertise in factory production, we have established the industry standard for excellence and innovation, maintaining a leadership and legacy that is unmatched.
2. Our state-of-the-art production equipment represents the pinnacle of technological advancement, ensuring each product not only meets but exceeds industry standards with extraordinary quality.
3. Benefit from seamless and efficient transactions with our strategically advanced logistics solutions, expertly designed to make your interactions 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 unwavering excellence.
5. We offer a wide range of flexible and convenient payment options tailored to your needs, ensuring a smooth and seamless purchasing experience.
6. With a comprehensive inventory and an efficient production cycle, we are poised to meet your urgent requirements with exceptional speed and efficiency, keeping your projects on track.
