Metal stitching and metal locking are proven cold repair methods for addressing cracks in cast iron, aluminum, and cast steel components. These techniques involve inserting master locks and stitching keys into precisely prepared openings along the fracture, ensuring a durable and stress-free restoration without the need for heat. Advantages of metal stitching include the absence of he... https://rebabbittingbearing.com/blog/2018/11/05/metal-stitching-metal-locking-crack-repair-metal-surgery/