六角头螺栓产品等级A、B|沙特标准|SASO-ISO-8765
SASO-ISO-8765
Hexagon head bolts with metric fine pitch thread — Product grades A and B
米制细牙六角头螺栓产品等级A、B
Applying Type : Standard Specification
Standard Year : 2011
Approval Year : 2015