C级高强度钢结构栓接用大六角头螺栓(大对边 短螺纹) 8.8和10.9级 Hexagon Bolts For High-Strength Structural Bolting With Large Width Across Flats(Short Thread Length—Product Grade C—Property Classes 8.8 And 10.9
首页
产品与标准
材料查询
展会