Metal threaded rod in various Protection Systems and different diameters for supporting or fixing components in roof mounted electrical installations with cable trays. weight of 2 numbers of 40x40x5mm size, horizontal GI angle of length 700mm is 5. Total weight. We are leading manufacturer of high-strength threaded rods, engineered for exceptional versatility across multiple industries. The I-beam design is the most common cable tray construction. Threaded rod, also known as allthread/booker rod, makes up part of EzyStrut's wide range of fasteners for cable and pipe support systems and is available in many sizes.