... 3" 3.Standards:DIN ,ANSI/ASME,BS,GB HEXAGON NUTS WITH FLANGE Standard:DIN6923, IFI 1986 D-12Class:6 ... M24SurfacePlain, Zinc(Yellow Zinc, White Blue Zinc), Black, DakeluoGrade of Strength4,6,8,10,12MaterialCarbon steel (SWARCH8A, SWRCH35K, Q195LY ... 000Pieces/5TonsSupply ability600Tons per MonthTransportationBy sea or By airPort of loadingShanghaiPaymentL/C,T/TThe delivery time20days after order ...