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Semiatomatic twistlock for intermediate container securing. Resists horizontal and separation forces. Can be fitted on shore. Automatically locks int the lower container when placed on top. Unlocked manually or with an actuator pole.


Additional information


Ductile Iron (housing) Drop forged (cone)


5.2 kg

SWL Tension

250 kN

SWL Shear

210 kN

BL Tension

500 kN

BL Shear

420 kN

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Instructions for Use

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Product Detail


The SEMI-AUTOMATIC TWISTLOCK is a type of lashing system that is used to secure cargo on a ship. An alternative to the manual lashing system. It has a few advantages over the manual system as it requires less time and labor.

Our new semi-automatic twistlock makes it easier than ever to secure your load. With just a quick twist, you can keep your cargo safe and secure. The semi-automatic design means that the lock is always ready to use, so you’ll never have to worry about being unprepared.

Container fittings and lashing equipment refer to a variety of lashing products. The system is combined in a certain way to solve the safety problem in the process of container transportation. Through the function of the fastening system, the safety and reliability of transportation are ensured.

After years of development, the container fastening system has produced a variety of container fastening technologies, such as container fastening technology for special container ships, general-purpose container fastening technology for multi-purpose container ships that meet OSHA requirements, Fastener technology. And many more.

Due to the different fastening technologies, there are many types of binding and fastening products, including deck fixings, cabin fixings, deck movable parts, cabin movable parts, etc. These products vary according to their application in special container ships or multi-purpose container.

Intermediate twistlocks and cones are used between containers to secure them and avoid separation. They resist horizontal and /or vertical forces. There are several types: wide body intermediate twistlock, semiautomatic, midlocks, turnfoot twistlocks, intermediate stackers, and others The twistlocks require locking after lashing, while the intermediate cones do not. Left and right locking available for the twistlocks.




semi lock
semi lock

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Work with Goseamarine, you don’t have to worry about anything. Our system is integrated with sales, purchase, inspection, storage and after service.

Creating value is the most important principle in our development philosophy. As such, under the premise of solving the customer’s problems better, our crawler crane parts in the construction machinery market have continuously achieved outstanding performance and widespread praise.

For more than 20 years, we have improved our manufacturing capacity by introducing advanced processing equipment and a perfect product quality management system.


Provide Application Drawings




For our europen and north American clients, we ever or now open the new mould with metal,ABS,PVC etc.

Generally sample can be sent out within 7days after product drawing confirmed by both side.  

Aluminum,Stainless Steel, Carbon Steel, Copper, Plastics, Titanium and PEEK

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