08:53AM | 06/18/04
Member Since: 06/17/04
1 lifetime posts
Shop question that probably has a simple solution, but that so far, has eluded me:

Have 2 wooden discs that I need to turn true, they already have 7/8 holes in center.

My only rotary tool is drill press with 1/2 chuck.

Does somebody have or know of a way I can chuck them in my DP and turn them true...remembering that I have 1/2 chuck?

I've thought of a mandrel, maybe there's one made with adjustable/expandable center so one can chuck a piece with existing hole...anybody know?


07:34AM | 07/25/04
Member Since: 02/20/04
52 lifetime posts
You might try and get a bushing like the ones uesed fro grinding wheels to reduce the hole diameter to a smaller grinder shaft. I am sure you should be able to find these. It might require two steps to go from 7/8 to 1/2 inch but you could then put them on a 1/2 inch bolt and chuck it into the drill press.


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