... Zinc(Yellow Zinc, White Blue Zinc), Black, DakeluoGrade of Strength4,6,8,10,12MaterialCarbon steel (SWARCH8A, SWRCH35K, Q195LY ... /5TonsSupply ability600Tons per MonthTransportationBy sea or By airPort of loadingShanghaiPaymentL/C,T/TThe delivery time20days after order ... confirmationSupply different kinds of high-quality nutsDIN936/ISO4032/JIS1181 Hex Thin NutDIN934 ...