200pcs) DIN 6923 MM10 Hexagon Flange Nuts Without Serration A4 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP69234010: Amazon.com: Industrial & Scientific
300 pcs) Metric DIN 6923 M8X1 Hex Flange Nut Steel Class 8: Amazon.com: Industrial & Scientific
Din 6923 Ss304 M6 Hexagon Flange Nuts With No Teeth - Buy M6 Flange Nuts,Ss304 Hex Flange Nuts,Hex Flange Nut Product on Alibaba.com