Metal detachable chain is among the oldest designs chains that remain in use today. Since the early 1900s metal detachable chains have been implemented in agricultural and industrial applications around the world. They stemmed from the initial cast detachable chain style (patented in 1873) and are manufactured to be light-weight, economical, and durable. United states Roller Chain and Sprockets provides a high-quality line of Steel Detachable Chains (SDC) and metal detachable sprockets. We also have attachments and the easy to use steel detachable chain breaker! Our selection of American standard metal detachable chain is manufactured from a special hot-rolled strip steel that is heat-treated for increased strength and an extended wear life. This kind of chain is made 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 shut end of the tab should always end up being towards the sprocket. We share both painted and non-painted SDC chains so when ordering make sure you specify which series you are interested in.