... plants, railway bridges, airport hangar, port machinery, high-rise buildings, civil span. Structural steel tower masts and other friction-link ... , daewoo, kato, hyundai, samsung, sumitomo, mitsubishi, etc.Specifications Size from: M5 - M42 Length: 10mm-200mm Hexagon head bolt: Treatment: HDG ... /ASME, ISO, BS, AS standard.Diameters Metric: from M6 to M72, Inch. from 1/4" to 3"Length : Metric size: ...