nuts and bolts,bolts nut,bolts and nuts Standard: ANSI B18.2.1 Specification: 1/4-1" nuts and bolts,bolts nut,bolts and nutsStandard: ANSI B18.2.1; Surface treatment :ZP/YZP/HDG/BLK,Specification: 1/4-1" packing:25kgs/carton,then 36cartons/pallet.It could be made according to customer's requirement. IFI BOLTS GR.2 GR.5