Small Parts Steel Flat Washer, Zinc Plated Finish, DIN 125, Metric, M20 Screw Size, 21 mm ID, 37 mm OD, 3 mm Thick (Pack of 25): Amazon.com: 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
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
M20-2.50 Metric Class 10 HEX Nuts| DIN 934 | Plain Finish | (Quantity: 20): Amazon.com: Industrial & Scientific
75 pcs) Metric DIN 934 M20X2.5 Regular Hex Nut Class 10 Steel: Amazon.com: Industrial & Scientific
Small Parts 18-8 Stainless Steel Hex Nut, Plain Finish, DIN 934, Metric, M20-1.5 Thread Size, 30 mm Width Across Flats, 16 mm Thick: Amazon.com: Industrial & Scientific