DIN6923 hex serrated flange nut Material:Carbon steel Size:M5-M20 Finish:ZP or ... Surface is in good condition after 24-96h DIN6923 hex serrated flange nut Size:M5,M6,M8,M10,M12,M14,M16,M20 ... Nuts,located in jiangsuprovince.The biggest advantage of our company is to specialize in producingvarious kinds of special screws. DIN6923 hex serrated flange ...