Buy Tmt Bars online from steeloncall Order 8mm, 10mm , 12mm, 16mm, 20mm, 25mm and 32mm TMT bars, Best grades, superior quality and low price guaranteed with hassle free delivery, COD available. The price of iron rods fills in as a basis to calculate the perplexing snare of construction economics. As a central part in building structures, iron rod prices are impacted by global steel market dynamics, raw material costs, and economic conditions.