Amazon.com: Bolt Base 8mm A2 Stainless Steel Fine Pitch Hexagon Half Lock Nuts Hex Thin Nut DIN 439 M8 X 1.0mm - 2 : Industrial & Scientific
1000pcs) DIN 439 M8 Hexagon Thin Nuts with Left-Hand Thread A2-035 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP043928L: Amazon.com: Industrial & Scientific
Steel Hex Nut, Zinc Plated Finish, Class 8, DIN 934, Metric, M10-1 Thread Size, 17 mm Width Across Flats, 8 mm Thick (Pack of 50): Amazon.com: Industrial & Scientific