... grinding disc/abrasive disc for MS/SS 1.first grade material 2.sharply,durabile,high efficiency 3.80m/s with 3 nets,for MS grinding ... disk /abrasive disc for MS/SS1. It is made of ... ,black color,2nets in the middle of the disc.3.sharply,durabile and high efficiency when working ... phenomenon like fire thesteel,etc4. It is used for ss, carbon steel,alloy steel which is ...