BOSS perfect thread; 100% detect; For LCD TV shaft; BOSS FOR LCD TV Model: B, BS, CSS, CSOS, S, SS, CLS, KFSE, KFB3 ... ,6-32,8-32,10-32, 1/4-20,2-56,3-48, 3/8-16Finish: electroless nickel, bright nickel, trivalent ... grinding machineInvolving areas: desktop computers, sheet metal, control cabinet, LCD TV, home appliances, circuit boardsThe applicable panel hardness: less than HRB80 ...