Metal detachable chain is among the oldest styles chains that are still in use today. Because the early 1900s steel detachable chains have already been implemented in agricultural and commercial applications all over the world. They stemmed from the original cast detachable chain style (patented in 1873) and are manufactured to be light-weight, economical, and durable. USA Roller Chain and Sprockets provides a high-quality line of Steel Detachable Chains (SDC) and metal detachable sprockets. We also have attachments and the simple to use metal detachable chain breaker! Our selection of American standard steel detachable chain is manufactured from a particular hot-rolled strip steel that is heat-treated for increased power and an extended wear life. This kind of chain is designed for moderate loads and speeds, it is extremely easy to restoration and install. Something vital that you note when setting up and using steel detachable chain is that the closed end of the tab should always be towards the sprocket. We share both painted and non-painted SDC chains so when ordering please specify which series you are interested in.