六角头螺钉|沙特标准|SASO-ISO-12474
SASO-ISO-12474
Hexagon socket head cap screws with metric fine pitch thread
内六角细牙六角头螺钉
六角头螺钉|沙特标准|SASO-ISO-12474
SASO-ISO-12474
Hexagon socket head cap screws with metric fine pitch thread
内六角细牙六角头螺钉