DIN439 M2.5 M3 M4 M5 M6 M7 Chamfered Brass Hex Thin Nuts, Find Details and Price about Brass Nut Hex Nut from DIN439 M2.5 M3 M4 M5 M6 M7 Chamfered Brass Hex Thin Nuts - Shenzhen Huaxianglian Hardware Co., Ltd.