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Forum topic by jfynyson posted 02-13-2016 04:00 AM 428 views 0 times favorited 5 replies Add to Favorites Watch
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jfynyson

21 posts in 330 days


02-13-2016 04:00 AM

In a brief search I’ve not been able to find out why I see a lot of drawer boxes built where the sides extend like wings beyond the drawer back. Why is this ? Added strength ? Does it really matter that much ? My guess is no since I see so many without this design feature. Seems like wasted wood & space.

Another drawer box feature I see mostly is where the drawer front (if false) and backs are fit inside the sides and not fixed where the drawer sides mate with the fronts & backs unless dovetails or rabbets are used. Why is this ? Does seem any stronger plus you are losing some minor drawers space.

Thanks for the input ! I’m designing a king size platform bed with two very large 29” & 32” wide drawers that will be ~26-28” deep & ~10-1/2” tall and I want to ensure I’m not doing something very wrong here.


5 replies so far

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Rick M

7917 posts in 1844 days


#1 posted 02-13-2016 04:08 AM

Original reason for extending the drawer sides was too allow space to cut dadoes for the drawer back. If you cut a dado close to the end of the board, it will be very weak and break off leaving a rabbet. Nowadays many people only cut a rabbet and rely on glue and screws or nails to hold the drawer back in place.

For the second question, are you talking about inset (flush) drawers like this?

-- http://thewoodknack.blogspot.com/

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Aj2

690 posts in 1262 days


#2 posted 02-13-2016 04:18 AM

Or maybe the drawer can be pulled out far enough.Without spilling the contents on the floor.
That’s all I got.

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jfynyson

21 posts in 330 days


#3 posted 02-13-2016 02:19 PM

Hind sight I should’ve included pics as my examples.

Here’s a pic for question 1. above but I think Rick M. Answered it (thanks !)
http://www.kennedyhardware.com/images/hsr_figf.jpg

Here’s a pic example for my question 2. above (note how the front & back is set inside the drawer sides, why is this when it seems your loosing space…)
http://www.table-saw-guide.com/image-files/pocket-hole-joinery_drawer-box-dry-fit.jpg

Thanks again !

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Rick M

7917 posts in 1844 days


#4 posted 02-13-2016 06:21 PM

When you open and close drawers the stress is on the front and back which want to pull away from the sides. So proper drawer construction has the sides “outside” so that whatever fastening system you use is parallel to the drawer front. I’m probably not explaining this well but you want your nails, screws, dowels, or dovetails oriented so they are perpendicular to the direction of travel. If the fasteners are parallel to the sides they can pull out over time. Hopefully this image explains it better.

-- http://thewoodknack.blogspot.com/

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jfynyson

21 posts in 330 days


#5 posted 02-14-2016 01:14 AM

Thanks for the input before I made mistake ! I’ve updated my Sketchup plans

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