M36 x 4.00 Coarse Thread DIN 934 Finished Hex Nut Stainless Steel 18-8 Pk 12: Amazon.com: Industrial & Scientific
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