(1500pcs) DIN 6923 M3 Hexagon Flange Nuts with Serration A2 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP692323: Amazon.com: Industrial & Scientific
Amazon.com: 15 M10-1.50 Hexagon Flange Nut with Serrations Class 8 Black Oxide DIN 6923 : Industrial & Scientific
Amazon.com: 5 M16-2.0 Hexagon Flange Nut - Non-Serrated Class 10 Zinc. DIN 6923 / ISO 4161 : Industrial & Scientific
Amazon.com: 50 M6-1.0 Hexagon Flange Nut - Non Serrated Class 8 Zinc. DIN 6923 / ISO 4161 : Industrial & Scientific
1500 pcs) M3-0.5, DIN 6923, Metric, Hex Flange Nuts with Serrations, A2 Stainless Steel: Amazon.com: Industrial & Scientific
M14 x 2.00 Coarse Thread DIN 6923 / ISO 4161 Class 8 Hex Flange Nut Medium Carbon Steel Zinc Plated Pk 5: Amazon.com: Industrial & Scientific
Zinc Hex Flange Nuts, Metric Coarse DIN 6923 / ISO 4161 Class 8 Steel Cr+3 RoHS - M3 M4 M5 M6 M8 M10 M12 - MonsterBolts (10, M8 x 1.25) : Amazon.ca: Tools & Home Improvement