... :M7 3,good quality,competitive price 4,ISO9001 certificate specification;Brass Standard:HPb59-1,H62, H68, HA177-2, HA166-6-3 ... -2, HMn58-2, HFe59-1Application:widely used in machinery fieldOur advantage:1,a variety of kinds2,years of ... :1,customized service2,fast delivery3,sample offered Non-standard screw brass fitting in hardware