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
2 14K White Gold Friction Ear Nut with Silicone Cushion 6.5mm Wide x 5.2mm High | Michaels
Nut | 50 Hex Nut M8 | 6.5mm X 13mm | Galvanized Steel Din 934 | M8 Nut For Bolts And Nuts, Coupling Elements, Interior And Exterior Adjustment And Fix | Fruugo NO