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Dowel size for breadboard ends, is 1/4” big enough.

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Forum topic by BaltimoreChris posted 03-09-2018 11:41 PM 480 views 0 times favorited 9 replies Add to Favorites Watch
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BaltimoreChris

4 posts in 142 days


03-09-2018 11:41 PM

Trying my first breadboard ends. The end board (breadboard end) is about 3.5 inches deep and 5 tenons stick out of the man table about 1 1/8”. Would 1/4” dowels be large enough to secure the breadboard ends or should I use 5/16” dowels?


9 replies so far

View LesB's profile

LesB

1748 posts in 3465 days


#1 posted 03-10-2018 12:37 AM

A pair of 1/4” in each Tenon will work, 5/16 better and I would even go 3/8”.

-- Les B, Oregon

View Rich's profile

Rich

2961 posts in 611 days


#2 posted 03-10-2018 07:06 AM

You probably don’t need 5 tenons. If you leave a half-inch or so along the full length and make a slot in the breadboard, you should be good with a center tenon and one on each end.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

View HammerSmith's profile

HammerSmith

93 posts in 106 days


#3 posted 03-10-2018 07:34 AM



A pair of 1/4” in each Tenon will work, 5/16 better and I would even go 3/8”.

- LesB


I agree, 3/8” dowels sound perfect.

View Woodknack's profile

Woodknack

11763 posts in 2402 days


#4 posted 03-10-2018 07:37 AM

View rwe2156's profile

rwe2156

2958 posts in 1503 days


#5 posted 03-10-2018 02:07 PM

5/16 min 3/8 better.

  1. depends on width I would go one every 6-8”.

-- Everything is a prototype thats why its one of a kind!!

View BaltimoreChris's profile

BaltimoreChris

4 posts in 142 days


#6 posted 03-10-2018 04:00 PM

Thanks. I was worried that 3/8 might be too much since the tenon barely stuck out more than an inch. So I went with 5/16. I have 5 tenons across the width of the table, which is about 42 inches wide. I used one dowel per tenon and glued the entire middle tenon area. Fingers crossed, will need some sanding when done.

View JADobson's profile

JADobson

1062 posts in 2133 days


#7 posted 03-10-2018 04:04 PM

I used 1/4” on my farmhouse table. They’ve been just fine. I have 4 across a 40” wide top.

-- No craft is very far from the line beyond which is magic. -- Lord Dunsany — Instagram @grailwoodworks

View BaltimoreChris's profile

BaltimoreChris

4 posts in 142 days


#8 posted 03-10-2018 04:05 PM

Related to breadboard ends, do I need to do anything special when I apply poly to the table top. I plan to spray a general finishes topcoat (several layers) after I stain the pine top. Does the movement of the main table compared to the breadboard ends cause any issues with the poly topcoat?

View splintergroup's profile

splintergroup

2071 posts in 1244 days


#9 posted 03-11-2018 02:29 PM

As to the dowel size, 1/4” will give you the required strength so go with what looks good. I think 3/8 is ballpark for typical mortice pins in furniture but smaller will avoid compromising the tenon structure.

The poly will be fine. If you have a thick coat, scoring the joint with a razor blade will keep any crack from flaking off from the table, but even that is unlikely.

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