BSO,BSOS,BSOA,自扣緊螺...
B,BS密封緊固件,防水螺母柱,防水...
F,YIN,鑲入螺母,平裝壓鉚螺母,...
AS,AC,LAS,LAC,YFN,...
Z,ZS,NZ,NZS,漲鉚螺母,六...
S,CLS,SP,CLA,YRN,壓...