标 准 编 号：GB/T 9074.16-1988简体中文标题：六角头螺栓和外锯齿锁紧垫圈组合件繁体中文标题：六角头螺栓和外锯齿锁紧垫圈组合件English name ：Hexagon head bolt and serrated lock washer external teeth assemblies...