How do spot weld cutters work?

Spot weld cutters operate using a mechanism similar to a hole saw, which allows them to effectively remove spot welds without damaging the surrounding metal. This design typically features a cylindrical shape with sharp teeth that cut through the metal around the weld. When the cutter is placed over a spot weld and rotated, it creates a clean circle that removes the weld and the associated material, facilitating easier separation of two connected components, such as panels in auto body repair.

The effectiveness of a spot weld cutter lies in its ability to precisely target the weld, making it a preferred choice in applications where maintaining the integrity of the surrounding structure is crucial. This method contrasts with other techniques that may involve melting, grinding, or drilling, which can either damage the substrate or not provide the desired level of accuracy.