Dowel end reducer

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Project by Natobious posted 01-13-2017 03:20 PM 3579 views 6 times favorited 6 comments Add to Favorites Watch

First special thanks to Matthias Wandel for his website that gave me the confidence to try this.
I needed the ends of dowels trimmed down. 1/2” dowel with a section only 3/8” diameter.
I wanted to explain how easy this was for others that may need this but don’t want a dedicated tool.

So the block of wood has a 1/2” hole drilled through it.
The center of the hole was 3/8” plus some change from the edge.
the chisel just has to completely cross the open gap.
The angle of the chisel will be the taper on the dowel.
To get the output diameter just right, I put the block in a vise after drilling the hole and shaved the surface with a plane down to exactly 3/8”.
The chisel needs to be sharp, but mine is a cheap HF and it worked just fine.

The whole assembly is clamped to a table to use it.
The dowel is held in a hand drill and pushed through while spinning CCW in the second picture.
You can send the whole dowel through if you need a dowel size that isn’t for sale – like 7/16” maple.

Hope this helped some people, this really was super easy. in fact sharpening the chisel took longer than making the jig :)

6 comments so far

View alholstein's profile


251 posts in 5541 days

#1 posted 01-13-2017 06:52 PM

A nice little trick to know about.

-- Al Holstein "I wood do it"

View Ivan's profile


17331 posts in 4366 days

#2 posted 01-13-2017 06:52 PM

So simple but efficient tool design.

-- Ivan, Croatia, Wooddicted

View AlgerMtnWoodworks's profile


6 posts in 2086 days

#3 posted 01-13-2017 09:24 PM

Brilliant! Thanks.

-- AlgerMtnWoodworks

View 000's profile


2859 posts in 2398 days

#4 posted 01-13-2017 09:56 PM

Another easy way, chuck up the dowel in the drill and take it to the table saw.

View woodbutcherbynight's profile


10906 posts in 3908 days

#5 posted 01-14-2017 04:07 AM

I have seen this done on a video and wondered maybe I should get this setup and try it out. While the table saw trick does work for longer stock if you have a 6 inch piece this smaller jig would be more practical.

Thanks for posting!

-- Live to tell the stories, they sound better that way.

View JCinVA's profile


245 posts in 2329 days

#6 posted 01-14-2017 05:44 AM

Great idea. I’m going to add a couple holes of different diameters, then I can move the chisel to whichever size I need for my current project. Thanks for sharing.

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