
Product Advantages: Step into a realm of revolutionary construction with Hainan Zirunda International Trade Co., Ltd's avant-garde Threaded Rebar Couplers. These engineering wonders, crafted with meticulous precision, redefine construction practices with their flawless execution. As pioneers in construction innovation, our couplers deliver unrivaled reliability and efficiency. Explore our masterfully engineered Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, all designed to offer exceptional performance and unwavering dependability.
1. Crafted to perfection using premium 45# seamless steel pipe, these couplers set an unparalleled benchmark for strength and durability. They provide extraordinary robustness and longevity, ensuring your project remains stable and reliable even in the most challenging construction environments, safeguarding your project's integrity over time.
2. We uphold national standards with unwavering dedication. Each sleeve undergoes meticulous inspection and certification, supported by exhaustive reports, comprehensive material documentation, and authentic certificates. This rigorous protocol assures unsurpassed quality, instilling exceptional confidence in every product we deliver.
3. Boasting a diverse range of specifications and models, complemented by an extensive inventory, we guarantee swift and reliable delivery. Standard models are dispatched the same day, ensuring prompt and dependable service to efficiently meet your needs at every stage.
4. Our prestigious collaborations with industry titans like China Construction, China Railway, and MCC reflect our profound expertise and the substantial trust we've built over the years. These partnerships stand as 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 set the industry benchmark for excellence and innovation. Our leadership and legacy in the field remain unmatched.
2. Our state-of-the-art production equipment epitomizes technological advancement, ensuring each product not only meets but exceeds industry standards with exceptional quality.
3. Experience seamless and efficient transactions with our strategically advanced logistics solutions, crafted to make your business interactions effortlessly smooth and stress-free.
4. Our rigorous quality control procedures ensure that only the finest products reach our esteemed clientele, reinforcing our reputation for unwavering excellence.
5. We offer a broad array of flexible and convenient payment options, tailored to your specific requirements, ensuring a smooth purchasing experience.
6. Boasting a comprehensive inventory and efficient production cycles, we are poised to meet your urgent requirements with exceptional speed and efficiency, ensuring your projects remain on schedule.
