Inventors:
Hubert P. McGavin - Binghamton NY
Assignee:
The Singer Company - Binghamton NY
International Classification:
B21K 506
Abstract:
The disclosure describes a core drill adjusting tool formed of a base plate of a predetermined size and thickness with a plurality of recesses of different diameters for testing a core drill and a frustum affixed thereto over which the cutting surfaces can be spread, an amount indicated by the testing recesses, by applying the cutting surfaces forcefully over the frustum.