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...
HB8385-2013GH2132MJ螺纹十角自锁螺母Self-lockingnuts,ten,counterbored,MJthread,GH21322013-10-13发布2014-03-01实施中华人民共和...