
Product Advantages: Embark on a journey to construction mastery with Hainan Zirunda International Trade Co., Ltd's elite Threaded Rebar Couplers, a revolutionary advancement in modern building technology. Designed to elevate your construction endeavors to unimaginable heights, these couplers epitomize the zenith of reliability and efficiency. With precision engineering, they stand ready to transform your construction methods. Our range, including Rebar Couplers, Splicing, Connectors, Thread Couplers, Steel Splicing, Rebar Splicing, and Sleeves, demonstrates unmatched craftsmanship, guaranteeing superior performance and unwavering dependability.
1. Expertly crafted from premium-grade 45# seamless steel pipe, our couplers set a new standard for strength and durability, forming an invincible barrier even in the most challenging construction conditions.
2. Adhering strictly to national standards, every sleeve is subjected to thorough inspection and certification. Furnished with comprehensive reports, extensive material documentation, and genuine certificates, we provide unmatched quality that instills complete trust in our offerings.
3. Offering a diverse array of specifications and models, supported by a strong inventory, we assure prompt deliveries. Our standard models are dispatched on the same day, ensuring a service that is both consistent and dependable.
4. Our prestigious associations with industry giants such as China Construction, China Railway, and MCC underscore our deep-rooted expertise and the enduring trust we have cultivated over the years.
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 |


Weldable sleeve |
specification |
external diameter |
length |
quantity per unit |
Φ12 |
21 |
20 |
600 Units/pieces |
Φ14 |
24 |
22 |
500 Units/pieces |
Φ16 |
29 |
26 |
300 Units/pieces |
Φ18 |
31 |
28 |
250 Units/pieces |
Φ20 |
34 |
32 |
200 Units/pieces |
Φ22 |
39 |
34 |
150 Units/pieces |
Φ25 |
44 |
38 |
100 Units/pieces |
Φ28 |
49 |
43 |
80 Units/pieces |
Φ32 |
54 |
46 |
60 Units/pieces |
Φ36 |
56.5 |
56 |
40 Units/pieces |
Φ40 |
63 |
62 |
30 Units/pieces |


1. With over 20 years of unparalleled experience in manufacturing, we set the standard for industry excellence, continuously raising the bar.
2. Our cutting-edge production equipment represents the peak of technological innovation, ensuring each product not only meets but exceeds industry standards with exceptional quality.
3. Benefit from smooth and efficient transactions with our expertly designed logistics solutions, guaranteeing every interaction is seamless and hassle-free.
4. Our rigorous quality control processes ensure that only top-tier products are delivered to our valued clients, preserving our esteemed reputation for excellence.
5. We provide a wide range of flexible and convenient payment options, tailored to fit your specific needs for a streamlined and hassle-free purchasing experience.
6. With extensive inventory and an accelerated production cycle, we are equipped to meet your urgent requirements with unmatched speed and convenience.
