Long bar with continuous thread along the entire length, no smooth section. Can be cut into any required length on site and matched with nuts, washers. Produced from carbon steel, alloy steel and stainless steel. Strength grades: 4.8, 8.8, 10.9, 12.9. Surface treatments: black oxide, electro galvanized, hot-dip galvanized. Metric & UNC/UNF imperial thread available. Mainly used for suspension installation, pipeline support, curtain wall engineering, flange connection and equipment fixing.