Metal detachable chain is one of the oldest styles chains that remain in use today. Because the early 1900s metal detachable chains have been detachable chain china implemented in agricultural and commercial applications all over the world. They stemmed from the original cast detachable chain style (patented in 1873) and so are manufactured to be light-weight, cost-effective, and durable. USA Roller Chain and Sprockets offers a high-quality line of Steel 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 manufactured from a particular hot-rolled strip steel that is heat-treated for increased strength and a longer wear life. This kind of chain is designed for moderate loads and speeds, it is very easy to restoration and install. Something vital that you note when installing and using metal detachable chain is definitely 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.