... size: M3 to M48Standard: GB,DIN,ANSI,JISFinish: plain,black, yellow zinc, white zinc, white blue zinc, and phosphatingGrade ... hex nut:4. Metric standard: Grade 4.8, Grade6.8, Grade8.8, Grade10.9,Grade12.9.5. Inch standard: Grade2, Grade5, Grade8, B7.6. Grade ... (Galv), Hot Dip Galvanized, Nickel, phosphate black, dacromet coating.10. Packing of Galvanized hex nut : Bulk packing, poly bags, Cartons, ...