... ,C1010,C1035,C1045,etc 3.Standard:ISO,DIN,ASME,etc Grade 4.6 Bolt And Nut sizeM3-M76Faceplain,zinc plated,black oxide ... ,hot dip galv.etcMaterialCarbon Steel/Alloy Steel/Stainless SteelGrade4.6, 4.8, 5.6, 5.8,6.8, 8.8, 10 ... and nutsPacking---In wooden cases or according to customers' requirements . Grade 4.6 Bolt And Nut