
Product Advantages: Elevate your construction projects to new heights with the innovative Threaded Rebar Couplers crafted by Hainan Zirunda International Trade Co., Ltd. These couplers represent the zenith of precision engineering, delivering unmatched reliability, superior efficiency, and advanced construction technology. Dive into a world where Rebar Couplers, Splicing Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves define excellence, ensuring your projects meet the highest standards of perfection. Experience a new era in construction craftsmanship.
1. Meticulously crafted from premium 45# seamless steel pipes, our couplers redefine expectations for strength and endurance. Engineered for exceptional longevity, these couplers effortlessly withstand the harshest construction environments. Their robust architecture embodies resilience, poised to manage demanding conditions and hefty workloads with grace, symbolizing steadfast durability and reliability.
2. Adhering meticulously to national standards, each sleeve undergoes rigorous inspections and earns impeccable certification. Accompanied by detailed inspection reports, precise material documentation, and authentic certifications, our sleeves offer absolute assurance. Our unwavering commitment to quality assurance positions each product as a symbol of trust, meeting the strictest industry benchmarks.
3. Our extensive assortment of specifications and models, bolstered by a vast inventory, guarantees rapid delivery. Standard models are dispatched the same day, ensuring prompt and trustworthy service. With abundant stock and swift shipping solutions, we stand as your top choice for reliable and tailored delivery solutions to meet your distinct needs.
4. Our esteemed collaborations with industry giants such as China Construction, China Railway, and MCC highlight our unparalleled expertise and the significant trust we've earned over the years. These strategic partnerships underscore our leadership in the industry, showcasing our unwavering dedication to quality and dependability in all our operations.
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 unmatched industry expertise in factory production, we set the benchmark for excellence and innovation. Our extensive experience enables us to consistently refine our processes, delivering products that epitomize superior quality and innovation, distinguishing us in the competitive marketplace.
2. Our state-of-the-art production equipment epitomizes technological advancement, ensuring that every product surpasses industry standards with exceptional quality. By harnessing cutting-edge technology, we produce market-leading products renowned for their unrivaled excellence.
3. Benefit from seamless and efficient operations with our strategically optimized logistics solutions, crafted to guarantee smooth and hassle-free transactions. Our logistics expertise ensures precision at every phase, providing you with a stress-free experience and enhancing your overall satisfaction.
4. Our rigorous quality control protocols ensure that only the most superior products reach our esteemed clients, reinforcing our commitment to unparalleled excellence. We are dedicated to perfection, supplying outstanding products that meet our stringent standards, fostering trust and satisfaction.
5. We offer a versatile range of flexible and convenient payment options, tailored to your specific needs for an optimal purchasing experience. Our goal is to provide convenience and flexibility, ensuring smooth and efficient transactions for our valued customers.
6. With an extensive inventory and efficient production cycle, we are equipped to meet your urgent needs with exceptional speed and efficiency. Our streamlined processes and ample stock enable us to quickly respond to any request, delivering timely solutions and surpassing expectations.
