On site metal stitching, Surgery, and Locking are perfect mechanical methods for repairing fractured castings and machine parts. For this process, No heat is applied, thus no stresses are produced, and no post-repair machining is required to fix misalignment and warpage. Because there is no heat, metal locking and stitching repairs can be accomplished in restricted places where flames... https://rapowersolutions.com/MetalStitchingMetalLocking.aspx