jayhitek Posted July 20, 2021 Report Share Posted July 20, 2021 I have a Bosch hole saw kit. Comes with the Power Change 510. One of the balls fell out that holds in the pilot bit in place. Only replacement part i can find that is close is the PCM12. Is it the same thing? The top hex is 11/16" Holds a 1/4" pilot bit. The hole saw inserts that go inside this thing are hex 7/16" There is also a PCM38 and not sure the difference. Thanks, Jay Quote Link to comment Share on other sites More sharing options...
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