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Old 06-11-2017, 09:36 AM
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Don Robinson Don Robinson is offline
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Location: Brownsville, Texas
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I used a piloted counterbore. The pilot keeps the c'bore perfectly centered.

As for the reamed hole, the more material the reamer has to remove, the more oversize the finished hole will be.

Last edited by Don Robinson; 06-11-2017 at 09:40 AM.
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