MFM-0509-08 is part of Igus' ReadyChain product line and is an 08M-style steel spring fastener for mounted components. It is used to join individual ReadyChain elements together as part of an overall chain system. It can be used as part of multiplex systems, such as energy chains and cable carriers, and can help to secure components with easy assembly. The length of the screw is 5 mm, with a 9 mm diameter head, and an M8 thread.