This decision is made by determining how the abrasive will be used by the individual. Abrasives are sold in forms such as sheets, large/small discs, belts, and large/small rolls. Selecting the right form is determined by whether the abrasive will be used for hand. sanding, applied to a large disc sander, attached to a small hand grinder, or installed on a large belt sanding machine. Sanding of concave shapes probably requires round or cylindrical shaped abrasives. Flat or convex shapes probably require flat abrasives.
What is the specification?
A typical grinding wheel specification consists of the grit type, the grit size, the hardness, the structure and the bond. A typical grinding wheel specification would be A60-I10-VS. ‘A’ is the grit type (aluminum oxide), ’60’ is the