Comparison came back with a different locating diameter. Our toolmaker says the confirmed tool cannot register on it. Seller offers a locally made ring, with no revised assembly drawing. I do not want our first installation to become an adapter experiment.

Then request the confirmed bracket. A ring proposal isn't the configuration you ordered.

Yes. I have declined the ring and asked them to supply the confirmed bracket with its identification. We are keeping the incompatible one unfitted, not making a hole bigger to rescue their substitution.

Correct bracket received and checked by our toolmaker against the agreed attachment drawing. Diameter and bolt positions now match, and its label is recorded with the kit. Seller accepted return of the wrong bracket. This mismatch is closed; installation checks are still a separate job.