Monacore Chassis Mounting Screws (Set of 16) Handy set of 16 nut,screw,washers for mounting panel connectors Ideal for fixing connectors into the RCP series rack panel. The set consists of: 16 x recessed countersunk head screw M3 x 12 mm 16 x nut M3 6K 16 x tooth lock washer 16 x washer