Metal stitching or metalocking is a method of repairing cracks in cast metals without the need of welding. https://www.metalockengineering.com/en/campaigns/metalock-procedure-metal-stitching Metalock Engineering has an excellent record with performing cast iron repairs using the cast iron stitching method. Using the metal stitching technique to fix metal cracks is the preferred solution as it is always a challenge to weld cast metals. #metalock #metalockinaction #metalockengineering #onsitemachi