Importance of Lugs and Ribs on TMT rods

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Closely looking at TMT bars one can see rings and lines, in this blog we will see what they and their uses. First things first, these rings and lines are called lugs and ribs, these are placed at regular intervals across the TMT bars of all grades. These lugs and ribs are there give a gripping effect in concrete structures, they give traction to concrete overlay on them. The angular placing on the surface gives the concrete a surface which it can cling on to.

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