... SS304 A2,SS316 A4 etc), Brass or according require.3. Grade of Nylon insert lock nut : Metric standard: Grade 4.8 ... Dimensions details examples: MaterialStailess steel series,carbon steel, Brass or as request.FinishPlain, Black, Galvanized with Zinc, HDGSizeM3-M64Thickness3 ... .2mm-51mmPitch0.25mm-6mmNylon insert lock nut Product pohot examples: If you have any question, ...