The present invention is a housing retrofit assembly for a milling machine or the like, including a quick adjusting stop nut for selective sliding coarse adjustment and rotational precision fine adjustment for rotatable engagement with a threaded rod or shaft in close tolerances, which provides stable precision engagement with the shaft, and which provides a positive locking mechanism. A unique lighting assembly is also disclosed which moves with the machine head for illuminating the milling cutter or the workpiece.

 
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> Hand tool and knife for deburring

> Method of trimming bore liners

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