... Metric standard: Grade 4.8, Grade6.8, Grade8.8, Grade10.9,Grade12.9.Inch standard: Grade2, Grade5, Grade8, B7. stainless steel , A2 ... requirement8. Delivery time:7-10days or based on your quantity.9. Our advantage: We are professional manufactuer, offers better ... Galvanized with Zinc, HDGSizeM3-M64Thickness3.2mm-51mmPitch0.25mm-6mmNylon insert lock nut Product pohot examples: If you have any question, ...