Steel Hex Nut, Zinc Plated Finish, Class 6, DIN 934, Metric, M2.5-0.45 Thread Size, 5 mm Width Across Flats, 2 mm Thick (Pack of 100): Amazon.com: Industrial & Scientific
Amazon.com: M6-1.00 Hex Nut, Class 8 DIN 934 Zinc Cr+3 (8000/Bulk Pkg.) : Industrial & Scientific
Steel Hex Nut, Zinc Yellow-Chromate Plated, Class 10, DIN 934, Metric, M20-2.5 Thread Size, 30 mm Width Across Flats, 16 mm Thick (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: uxcell M1.4 x 1.5mm Nickel Plated External Hexagon Hex Nuts Fasteners DIN 934 200PCS : Industrial & Scientific