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Crack Repair & Metal StitchingMetal stitching or cold pinning was developed at the turn of the century. This process utilizes threaded and tapered pins to repair metal cracks caused by thermal stress and engine failure. People are often confused to think that stitching is a welded repair and are amazed to find that the repair is done cold. |
![]() evidence of the fracture repaired by metal stitching. |
![]() by OTHERS fail due to poor quality workmanship |
![]() the removal and insertion of new material that is smooth and stress free. There is no possibility of any future porosity or cracking. |