HB8386-2013GH2132带沉头窝的MJ螺纹十角自锁螺母Self-lockingnuts,ten,counterbored,MJthread,GH21322013-10-13发布2014-03-01实施中...
HB8384-2013GH2132带沉头窝的MJ螺纹十二角自锁螺母Self-lockingnuts,double,hexagon,counterbored,MJthread,GH21322013-10-13发布2014-...