Uploaded May 2016 | Updated September 2026, 1 day ago

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This week, Don is jig grinding one of two identical Taft-Peirce Bench Centers within some very tight tolerances. Not only do we have to hold the size within .0002, we also have to make sure the holes are straight and parallel with one another and hold the center line distance within .0002. The only way we know how to do this is on a Jig Grinder.

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