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