Metal Locking Service Inc. specializes in emergency Cast Iron Repair. If your job requires: Metal Stitching Teardowns/Shutdowns Fabrication Rebuilding (Turn-key) ...we cover all... permanent cast iron repair without the use of welding, brazing or applied heat of any kind. Our cast iron repair technique is also known as metal locking, metal stitch, metal stitching..., metalock, metalace, metal lock, cast iron stitching and cast iron crack repair. We offer on-site repair and in-situ cast iron repair services around the world! We are available 24/7...