... time:within 30day stainless stell hexagonal socket nut DIN 934Materials: stainless steelSize:M3-M6Surface: plain zp,balck, ... HDGStandard: DIN, ANSI, JIS, BSPlace of OriginSuzhou China(mainland)Brand ... , produce as your requirement is okStandardGB,GB/T,DIN,JIS,BSW,ANSI,ISO & non-standard productsSurfacePlain, Yellow zinc, black phosphated ...