Metal detachable chain is one of the oldest designs chains that are still in use today. Because the early 1900s metal detachable chains have already been applied in agricultural and industrial applications around the world. They stemmed from the original cast detachable chain design (patented in 1873) and are manufactured to be detachable chain china light-weight, economical, and durable. USA Roller Chain and Sprockets provides a high-quality type of Metal Detachable Chains (SDC) and steel detachable sprockets. We also have attachments and the easy to use steel detachable chain breaker! Our collection of American standard steel detachable chain is produced from a particular hot-rolled strip steel that is heat-treated for increased strength and an extended wear life. This type of chain is designed for moderate loads and speeds, it is very easy to restoration and install. Something important to note when installing and using steel detachable chain is certainly that the closed end of the tab should end up being towards the sprocket. We stock both painted and non-painted SDC chains so when ordering please specify which series you are looking for.