Small Parts Brass Hex Nut, Plain Finish, DIN 934, Metric, M3-0.5 Thread Size, 5.5 mm Width Across Flats, 2.4 mm Thick (Pack of 100): Amazon.com: Industrial & Scientific
Sechskantmutter mit Linksgewinde, M6, DIN 934, 10er Pack : Amazon.de: Baumarkt
M6 x 0.75 Fine Thread DIN 934 Class 8 Finished Hex Nut Medium Carbon Steel Zinc Plated Pk 500: Amazon.com: Industrial & Scientific
Steel Hex Nut, Zinc Yellow-Chromate Plated, Class 10, DIN 934, Metric, M22-2.5 Thread Size, 32 mm Width Across Flats, 18 mm Thick (Pack of 5): Amazon.com: Industrial & Scientific