Wood – What size dowels to use for joints

wood

I'm comfortable with the process of creating and joining wood with dowels, but I'm not sure what size dowels to use in which cases? Specifically, I'm working with 1" thick stock (3/4" actual), what size should I use?

What are the other sizes and lengths of dowels used for?

Are there any recommended grouping or spacing for wood dowels?

Best Answer

When dealing with joinery I typically always deal with thirds. So I'd get whatever is closest to 1/3" that I can get. 3/8" is probably good for this, 5/16" even better. Thirds is a pretty good rule of thumb especially for furniture sized joinery.

This can be applied to all types of joinery such as mortise and tenon, splined miters, bridle joints, etc.