标准编号:ISO 4015:1979
中文名称:六角头螺栓.产品等级B.光杆部分:(光杆直径= 螺纹中径)
英文名称:Hexagon head bolts — Product grade B — Reduced shank (shank diameter approximately equal to pitch diameter)
发布日期:1979-07
标准编号:ISO 4015:1979
中文名称:六角头螺栓.产品等级B.光杆部分:(光杆直径= 螺纹中径)
英文名称:Hexagon head bolts — Product grade B — Reduced shank (shank diameter approximately equal to pitch diameter)
发布日期:1979-07