The flaw in question is of negligible import. Ensuring that the cymbal is henceforth handled and mounted with care is the best strategy. Chips near the mounting hole aren't unusual. Generally, they don't worsen when future precautions are taken. If they do, hope is never lost. You can always attain a new cymbal. Nothing material is eternal.I’m not sure if a brass grommet is better but here is a Home Depot solution:
References to here:
General Tools Brass Grommet Fastening Kit with Case, Includes (6) 1/2 in. and (6) 3/8 in. Grommets-81264 - The Home DepotGeneral Tools Tool Multi-Kit with Grommet is suitable for use to repair canvas, tarpaulins, tents, awnings, sail cloth, lawn furniture and pool covers.www.homedepot.com
I still don’t like the idea of a sharp angle like shown in the picture but maybe I am overly paranoid.