... white zinc,yellow zinc,blue zinc,color zinc,black zinc and black oxide,certificate:ISO2000:2008&GOHSAdvantage:high quality,reasonable price ... C27200CuZn37), C28000(CuZn40)4.Bronze: C51000, C52100, C54400, etc5.Iron: 1213, 12L14,12156.Aluminum: Al6061, Al6063 etc7,.Carbon steel:C1006 ... 'aImgSrc': aBigImageSrc } ); } )(); aluminum/steel flat and round head solid rivets made in China hardware supplier