DMI – Dissimilar Metals Interface

More information coming soon

When you can’t use a traditional welding process to connect dissimilar metals, rely on Spur DMI Transition Inserts to solve your connector problem. We provide a roll bonded interface between the dissimilar metals that is capable of withstanding the stresses of your application. The Spur bond is typically stronger than the weaker of the two metals and is rated for extreme environments. Our aluminum/steel interface performs in environments where temperatures reach 500⁰ C.

Our Capabilities

Our inserts cover aluminum, copper, steel, stainless steel, and titanium.


Combining Chemical or Physical attributes, Electrical Conductor Interface, Structural/Fasteners.

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If you have a welding, machining or fabrication need, we can meet it.