Mild Steel made Hex Nuts & Square Nuts are types of hardware fastener with a threaded hole and are used opposite a mating bolt to fasten a stack of parts together. Technomac [India] is the manufacturer of Mild Steel made Hex Nuts & Square Nuts.Technomac [India] also manufactures different types of fasteners, nuts, bolts, studs, scaffolding accessories of different types and of various sizes. Mild Steel made Hex Nuts & Square Nuts is available in Grade-8 M10 [3/8"] to M52 [2"]. This Hex Nuts & Square Nuts is made from mild steel.