hex cap nut: 1)Material:steel,stainless steel, 2)Surface:zinc(white,blue,yellow,black) 3)sizes: supplying all kinds of sizes hex cap ... nut:Item name: high quality hex cap nuttdesign prevents burnouts and eliminates the need ... nickel,white zinc,bule zinc,color zinc,black zinc,chromeStandard: JIS,BS,GB,ISO,DIN,AISIbrand name: JMorigin of place: Guangdong ...