五金 Traditional form: 五金 Pinyin (reading): wǔjīn Definitions: metal hardware (nuts and bolts) the five metals: gold, silver, copper, iron and tin 金銀銅鐵錫/金银铜铁锡 (jīnyíntóngtiěxī) Characters: 五 - five; surname 金 - gold, metal; money Traditional characters: 五 - five; surname 金 - gold, metal; money