Metal Stitching and Metal Locking is a cold repair process to fix cracked or broken metal parts without using welding or heat. Rather than melting the metal, special stitching pins and metal locks are inserted in the damaged area to tie the crack together and restore the strength of the component.
This repair technique is widely used for cast iron, steel, aluminum and other cast metal components such as engine blocks, crankcases, cylinder liners, pump housings, compressors and turbine casings. No heat is applied so no risk of distortion, warping or further cracks that can happen during welding.
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