
Product Advantages: Immerse yourself in a revolutionary construction experience with Hainan Zirunda International Trade Co., Ltd's state-of-the-art Threaded Rebar Couplers. Marvel at these engineering marvels, meticulously designed for precision, transforming your construction practices with flawless performance. Standing at the forefront of construction innovation, our couplers promise unmatched reliability and efficiency. Delve into our expertly crafted Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, all offering exceptional performance and steadfast dependability.
1. Crafted to perfection using premium 45# seamless steel pipe, these couplers set the benchmark for strength and durability. They deliver extraordinary robustness and longevity, ensuring the stability and reliability of your projects, even in the harshest construction landscapes, safeguarding your project's integrity over time.
2. We uphold national standards with unwavering commitment. Every sleeve is subjected to a meticulous inspection and certification process, supported by comprehensive reports, detailed material documentation, and authentic certificates. This rigorous protocol assures unmatched quality, instilling unparalleled confidence in each product we offer.
3. With a diverse array of specifications and models complemented by a vast inventory, we guarantee swift and reliable delivery. Standard models are dispatched on the same day, ensuring prompt and dependable service to meet your needs efficiently at every stage.
4. Our prestigious collaborations with industry giants like China Construction, China Railway, and MCC reflect our profound expertise and the significant trust we have cultivated over the years. These partnerships are a testament to our steadfast 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 unmatched expertise in factory production, we have set the industry benchmark for excellence and innovation. Our leadership and legacy in the field remain unrivaled.
2. Our cutting-edge production equipment represents the pinnacle of technological advancement, ensuring each product not only meets but surpasses industry standards with extraordinary quality.
3. Enjoy seamless and efficient transactions with our strategically advanced logistics solutions, crafted to make your interactions effortlessly smooth and stress-free.
4. Our stringent quality control procedures ensure that only the finest products reach our esteemed clients, reinforcing our reputation for unwavering excellence.
5. We offer a broad spectrum of flexible and convenient payment options, tailored to your specific needs, ensuring a seamless purchasing experience.
6. With a comprehensive inventory and efficient production cycle, we are primed to meet your urgent requirements with exceptional speed and efficiency, keeping your projects on track.
