FS.COM supplies M6 models of Screw and Nut. The "M" designation for metric screws indicates the nominal outer diameter of the screw. For example, an M6 screw has a nominal outer diameter of 6 millimeters.
These M6 screws and nuts for server racks and cabinets is convenient to have on hand for installing server, network, AV and other rackmount equipment securely into your storage cabinet or server rack.
Customer service was friendly, fast and responsive. I received my order in 2 days and was satisfied with the products. This was my 2nd time ordering from these folks, won't be my last. Strongly recommend them.