T27 DC grinding disc

T27DCgrinding disc Characteristics: made od normal grade corundum (Aluminium oxide)medium hard bond ,depressed center ,withe black paper,and through this paper, the grain obvious show;black color,high speed ,2 nets in the middle and1net in the bottomof the disc. Applications; general purpose disc for all metal grinding applications, like normal steel pipe ,steel bar, the burr and gross edge of steel plate,steel welds,etc.