... surface of rivet contact, and no copper exposed or visible.2. No stratification, burr, sripe,pit etc in the side ... 50.6,0.8,1.00.3~0.41.2,1.51~2.04,69-123.00.8,1.0,1. ... 56,83.51.5,2.01~3.04.01.0,1.2,1.52.08,104.52.0,2.55.01.0, ... 1.21.5,2.00.4~0. ... 155.52.5,3.06.03.015,206.51.2,1.5,2.00.5~0.73.0,3.57.03. ... 4-0.04-0.02-0.08+0.10<10±2≥10±0.2R±2 switch eletric silver contact