Metal stitching is an advanced cold repair technique used to fix cracks in cast iron components without welding. This process involves inserting metal locks and stitching pins to restore the original strength and integrity of the component. Unlike welding, it prevents heat-induced stress and deformation, making it a reliable solution for repairing engine blocks, heavy machinery, and i... https://turbineshaft.in/blog/2019/10/08/metal-lock-metal-stitching-metal-stitching-cast-iron-crack-repair/