Bolt Size M6 x 16mm. Cage nuts, Bolts & Washers for 19" Cabinets/Wallboxes. The Standard M6 Connector Type for 19" technology. Rack Mount Cage Nuts. 50 Washers. These are ths standard connectors for rack mounting your accessories such as KVM, Patch Panels etc into your 19" Technology (Server Racks etc).
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