HONG KONG SAR - 3 November 2025 - If something in a building needs to be fixed, maintenance usually has a master key to access it. That kind of convenience keeps access simple, and keeps critical systems running when they're needed most.

So why not bring that convenience to heavy machinery? With enough doors and panels to fill a small building, operators would surely benefit from having one key that opens all of them. However, reality gets complicated when each panel is a different size with a different latch specialized to secure it. These latches often have limited head styles for tool operation, so you get one vehicle with a full key ring of tools needed to access it. The last thing an operator needs in the field is more stuff to carry.

Rather than try to make every manufacturer of every latch conform to one tool, Southco is meeting them where they are with the R4-15 Rotary Latch. Its versatile design allows it to secure many different types of panels across heavy machinery, and Southco offers a variety of tool-actuated options to match other latches on the vehicle.

This finally lets operators open any panel they need with a single key. Southco also offers this key in a modern ergonomic design that feels natural in the hand, so operators can be a bit more comfortable on the job.

If manufacturers opt for hand-operated functionality, the R4-15 can also permanently attach its key, creating an ergonomic experience with every turn. No matter the use case, the R4-15 can adapt to its environment to bring easy access, rugged durability, and reliable security to a wide variety of vehicle panels.

The R4-15 Rotary Latch accomplishes this durability with a combination of sturdy construction, reinforced housing for tool-operated heads, and a zinc-nickel coating for corrosion resistance. This means greater reliability in harsh elements, and a longer lifespan compared to less corrosion-resistant hardware.

Altogether, the R4-15 Rotary Latch is a long-lasting piece of hardware that makes the operator's life easier with its versatile head styles and ergonomic operation. When installed on heavy machinery, it conforms to the other latches on the vehicle, and gives operators one less key to worry about.

For more information about the R4-15 Rotary Latch, please visit https://southco.com or email the 24/7 customer service department at info@southco.com

About Southco

Southco, Inc. is the leading global designer and manufacturer of engineered access solutions. From quality and performance to aesthetics and ergonomics, we understand that first impressions are lasting impressions in product design. For over 75 years, Southco has helped the world's most recognized brands create value for their customers with innovative access solutions designed to enhance the touch points of their products in transportation and industrial applications, medical equipment, data centers and more. With unrivalled engineering resources, innovative products and a dedicated global team, Southco delivers the broadest portfolio of premium access solutions available to equipment designers throughout the world.

The issuer is solely responsible for the content of this announcement.

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