杯头方颈螺栓|沙特标准|SASO-ISO-8678
SASO-ISO-8678
Cup head square neck bolts with small head and short neck – Product grade B
带小头和短颈的杯头方颈螺栓.产品等级B
Applying Type : Standard Specification
Standard Year : 1988
Approval Year : 2010