Crimp (joining)

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A crimper for coaxial connectors
F connectors crimped on to coaxial cable. The bottom middle cable is missing its crimping collar.

Crimping is joining two pieces of metal or other ductile material by deforming one or both of them to hold the other. The bend or deformity is called the crimp.


Crimping is most extensively used in metalworking. Crimping is commonly used to fix bullets in their cartridge cases, for rapid but lasting electrical connections, securing lids on metal food cans, and many other applications. Because it can be a cold-working technique, crimping can also be used to form a strong bond between the workpiece and a non-metallic component.

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