
Product Advantages: Step into a realm where construction excellence is redefined through Hainan Zirunda International Trade Co., Ltd's cutting-edge Threaded Rebar Couplers. Witness these engineering masterpieces, crafted with unrivaled precision, transforming your construction methodologies with seamless performance. Positioned at the pinnacle of construction advancement, our couplers ensure unparalleled reliability and efficiency. Explore our expertly engineered Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, each promising exceptional functionality and unwavering dependability.
1. With meticulous craftsmanship using premium 45# seamless steel pipe, our couplers establish new standards for strength and longevity. They provide unparalleled robustness, ensuring your project's stability and durability even in the most challenging construction environments, thus preserving the integrity of your endeavors over time.
2. Our adherence to national standards is unwavering. Each sleeve undergoes a rigorous inspection and certification regimen, backed by comprehensive reports, detailed material documentation, and genuine certificates. This stringent process guarantees exceptional quality, instilling unmatched confidence in every product we present.
3. Boasting a wide range of specifications and models along with an expansive inventory, we ensure rapid and trustworthy delivery. Standard models are shipped on the same day, guaranteeing prompt and reliable service to efficiently address your needs at every phase.
4. Our esteemed collaborations with industry titans such as China Construction, China Railway, and MCC showcase our profound expertise and the substantial trust we have built over the years. These alliances 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 twenty years of unparalleled expertise in factory production, we have established the industry standard for excellence and innovation. Our leadership and legacy in the field remain unmatched.
2. Our state-of-the-art production equipment embodies the zenith of technological progress, ensuring each product not only meets but exceeds industry standards with superb quality.
3. Experience seamless and efficient transactions with our strategically advanced logistics solutions, designed to make your interactions effortlessly smooth and worry-free.
4. Our rigorous quality control procedures guarantee that only the highest quality products reach our esteemed clients, reinforcing our reputation for steadfast excellence.
5. We offer an extensive range of flexible and convenient payment options, tailored to your specific requirements, ensuring a seamless purchasing experience.
6. With a comprehensive inventory and efficient production cycle, we are equipped to meet your urgent needs with exceptional speed and efficiency, keeping your projects on course.
