Smallest radius roundover bit?

5250 Views 23 Replies 20 Participants Last post by Rebelwork Woodworking, Jan 18, 2022

LaserBwah

Discussion Starter · Dec 30, 2021

I want to round edges of 3/16" thick baltic birch. This would mean finding a 3/32" radius roundover bit. This will also need a super small bearing OR a thicker pieces to guide it with cut to fit. A guide piece to use over and over is not a problem. But I still need the crazy-small radius.

This is for results that have far too many edges to do by hand (100s of inches per finished product).

Is there any way to devise a table router that could work here? Might require a jig, there might be such a product out there (though I've tried to search), or it might just be impossible.

Chamfering both sides and then milling off the sharp end could work but that's three operations instead of two and wouldn't feel right.

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TenGees

· #7 · Jan 1, 2022

Pretty sure you won't have enough material left for the second side to guide a bearing. I think that you would have to guide the baseplate of the router for hand routing or use a table. Either way you wouldn't need a bearing bit although it could have one. I wonder if you have an ogee bit where part of its profile will have that radius. Me (being a cheap guy) would look through my bits first and test it on a scrap.

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