What Are Bright Bars — And Why Do They Matter? Bright Bars are steel bars that have undergone a cold finishing process to achieve a smooth surface, tight dimensional tolerances, and enhanced mechanical properties. Unlike Black Bars, which are hot-rolled and have a rough surface, Bright Bars are cold drawn or turned and polished, resulting in a mirror-like finish and superior accuracy... https://bhansalimetalloys.com/bright-bars-suppliers/