Manual Twist Lock Supplier


About product

Our Manual Twist Locks are meticulously designed and manufactured to meet stringent safety standards. They undergo a hot dip galvanization process, which enhances their corrosion resistance and ensures long-lasting performance in various environmental conditions.

With impressive breaking loads of 500kN in tension and 420kN in shear, these twist locks provide robust strength and reliability when securing containers during transportation. Additionally, they can withstand compression forces of up to 1200kN, further demonstrating their durability and suitability for heavy-duty applications.

Furthermore, all the items supplied by our supplier have received approval from major classification societies.

Additional information


Ductile Iron (housing) Drop forged (cone)


5 kg

SWL Tension

250 kN

SWL Shear

210 kN

BL Tension

500 kN

BL Shear

420 kN

Product Detail

What is a Manual Twist Lock

Shipping container manual twist lock is an efficient and straightforward method for securing two or more lines of rope together. It is a versatile knot, also known as a clove hitch knot, commonly employed to fasten the end of one rope around another.

This knot is well-suited for various situations where a quick and convenient connection between ropes is required. It finds frequent application in tasks such as lashing parts onto a boat or securing objects onto a truck bed.

In the realm of container manufacturing, the twist and lock manual plays a crucial role in ensuring the integrity and protection of container contents. The container factory production process incorporates a simple and reliable sealing mechanism. When the operator twists the top of the container, the locking mechanism is activated, creating a watertight and tamper-evident seal. This user-friendly system is particularly beneficial in high-volume production environments, enabling efficient container sealing.

The Lock offers ease of use, allowing users to achieve the desired tightness by simply twisting the handle. Constructed from durable steel, the lock provides maximum security and resilience, ensuring the safety of the container and its contents.

Whether you need to secure ropes or seal containers, Zava marine offers a convenient and effective solution. Our Twist Lock simplicity, durability, and versatility make it an ideal choice for various applications.


Twist and Lock Manual Drawing

twist locks
twist locks
Know Who We Are

About our company

Zava Marine Corporation is a leading supplier of marine parts and components. With a strong focus on quality and customer satisfaction, we specialize in providing a comprehensive range of high-quality marine equipment and accessories. Our products include deck equipment, ship accessories, and various other essential components needed for smooth maritime operations.

With a global presence, we serve a diverse customer base, including shipbuilders, shipowners, offshore operators, and marine equipment distributors. We are committed to providing exceptional service and tailored solutions to meet our customers’ unique needs.


Zava Marine offers a comprehensive range of certifications for marine parts in accordance with international standards and regulations. These certifications include those provided by renowned marine classification societies such as Lloyd’s Register (LR), Bureau Veritas (BV), China Classification Society (CCS), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), Nippon Kaiji Kyokai (NK), and Det Norske Veritas – Germanischer Lloyd (DNV-GL). By collaborating with these esteemed societies, Zava Marine ensures that our certified marine parts meet the highest standards of safety, quality, and performance, instilling confidence in our reliability and compliance within the maritime industry.

The warranty provided by Zava Marine covers defects in materials and workmanship for a period of two years from the date of purchase. During this warranty period, if any marine parts purchased from Zava Marine exhibit issues or failures resulting from manufacturing defects or faulty materials, Zava Marine will take responsibility for repair or replacement of the affected parts. 

Zava Marine has recently opened new molds for European and North American clients, utilizing materials such as metal, ABS, PVC, and more. These successful mold opening projects allow us to provide customized marine parts and components that meet the specific requirements of our clients in these regions.

Typically, Zava Marine can ship samples within 7 days once the product drawing has been mutually confirmed by both parties. This efficient process ensures that customers can receive samples promptly, allowing them to assess the quality and suitability of the products.

Zava Marine frequently utilizes a wide range of materials in our projects. These materials include aluminum, stainless steel, carbon steel, copper, plastics, titanium, and PEEK (Polyether Ether Ketone). Each material offers unique properties and characteristics suitable for various marine applications. 

Yes, we provide customization services for marine parts. We understand that every project and application may have unique requirements, and we are committed to delivering tailored solutions. By collaborating closely with our clients, we can adapt our products to specific specifications, ensuring optimal fit, performance, and compatibility. Whether it’s modifying existing designs or creating entirely new parts, our customization services cater to the diverse needs of the maritime industry.

Absolutely! We offer product design and development services to support our clients’ needs. Our experienced team of engineers and designers can collaborate with clients from concept development to final product realization. By leveraging our expertise in marine engineering and design, we can provide valuable insights and innovative solutions. Whether it’s optimizing existing designs or creating entirely new products, we are equipped to assist clients in bringing their ideas to life efficiently and effectively.

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Zava Marine