Small Parts Steel Hex Nut, Zinc Plated Finish, Class 8, JIS B1181, M8-1.25 Thread Size, 12 mm Width Across Flats, 6.5 mm Thick (Pack of 50): Metric Nuts: Amazon.com: Industrial & Scientific
Amazon.com: M6 x 20 mm Rack Mount Cage Nuts, Screws and Washers for Rack Mount Server Cabinet Stainless Steel Silver Mounting Screws and Square Insert Nuts for Server Mounting Routers Shelves (50