... features perfect cold machining performance, high elasticity and strength, is widely used in the glasses ... accessories, rivets, batteries, fasteners, springs and wire electrodes.brassFeatures:1) Standard: a) GB ... battery electrodes, fasteners, springs, borers, and soldering wires and cutting lines ItemSIZECapabilityApplicationASTMDINJISGBC28000CuZn40C2800H620.3-12.0Excellent cold plastic, ...