Diamond Concrete Grinding Disc 100 x 22mm Double Row
· Reviews. ★★★★★ ★★★★★. Diamond Concrete Grinding Disc 100 x 22mm Double Row is rated out of 5 by 39 . Rated 5 out of 5 by Mr weld from Class Quality disc, we used it in battery grinder to take high pieces off new concrete on sliding doors, leaves a good finish without taking chunks out. Date published: .