... , improve PCB stability; 4.Easy to unload; convienient to repair; 5.Anti-heat, abrasion, impact, acid and alkali, with strong electric ... )19.81.4UC-1.54.612107.9(5/16)19.81.4UC-24.612.5129.5(3/8)19.81.4UC-34 ... .7(1/2)19.81.4UC-44.618.21215.8(5/8)19.81.4UC-54.618.21219.4(3/4 ... .81.4UC-64.6221225.4(1)19.81.4UC-6.54.6241227.5(27/26)19.81.4UC-74.6261231.8(11 ...