
Product Advantages: Embark on a groundbreaking construction journey with Hainan Zirunda International Trade Co., Ltd's cutting-edge Threaded Rebar Couplers, where engineering ingenuity meets unparalleled precision. Transform your building processes with these marvelously designed couplers that promise seamless performance. Positioned at the zenith of construction technology, our couplers assure you of unrivaled dependability and effectiveness. Immerse yourself in our finely-tuned Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, all crafted to deliver remarkable results and unwavering trust.
1. Expertly constructed with superior 45# seamless steel pipe, these couplers redefine strength and durability. They provide exceptional sturdiness and a long lifespan, ensuring your project's stability and reliability in even the most demanding construction conditions, safeguarding your project's structural integrity over time.
2. We adhere to national standards with an unyielding dedication. Each sleeve undergoes rigorous inspection and certification, fortified by comprehensive reports, meticulous material documentation, and genuine certificates. This meticulous process guarantees unmatched quality, offering unparalleled assurance in every product we present.
3. Boasting a wide range of specifications, models, and an extensive inventory, we promise fast and reliable delivery. Standard models are dispatched on the same day, ensuring prompt and dependable service to efficiently support your needs at every juncture.
4. Our esteemed collaborations with industry titans such as China Construction, China Railway, and MCC highlight our profound expertise and the immense trust we have fostered over time. These partnerships stand as a testament to our unwavering dedication 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. Our leadership and heritage in this field are unmatched.
2. Our state-of-the-art production equipment epitomizes technological excellence, ensuring every product not only meets but exceeds industry standards with superior quality.
3. Experience seamless and efficient transactions through our strategically advanced logistics solutions, designed to make your engagements effortlessly smooth and hassle-free.
4. Our rigorous quality control measures ensure that only the finest products reach our esteemed clientele, solidifying our reputation for unwavering excellence.
5. We offer a diverse array of flexible and convenient payment options, tailored to your specific needs, ensuring a seamless purchasing journey.
6. With a robust inventory and an efficient production cycle, we are poised to meet your urgent requirements with exceptional speed and efficiency, keeping your projects on schedule.
