20Pcs Hex Flange Nut M3 M4 M5 M6 M8 Black Zinc / Nickel Plated Serrated Nuts Fastener 9496895123381

Specification: Nut Size : 3mm 4mm 5mm 6mm 8mm Size : Inner Diameter Material : Carbon Steel Standard : DIN6923, DIN1983 Use standard vernier...