Cutting stopped slots.

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Forum topic by mbzguy posted 03-04-2015 09:17 PM 949 views 0 times favorited 6 replies Add to Favorites Watch
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12 posts in 1318 days

03-04-2015 09:17 PM

So I have to cut a lot of 3/4” stopped slots in 3/8 baltic birch as shown. I am currently cutting them on a router table by dropping it down to plunge, run it along the fence to my mark, and then picking it up and moving to the next slot. Does anybody have any better/safer methods for doing this operation short of a cnc? I really would appreciate any input. Thanks.

Bruce in Oklahoma

-- Bruce, Oklahoma

6 replies so far

View Kazooman's profile


1005 posts in 1945 days

#1 posted 03-04-2015 09:23 PM

Are they always three in a straight line like that? You could make a jig for use with a guide bushing and rout them from above. This could be done with a 1/4” bit tracing around the perimeter leaving the center of the slot as waste.

View mbzguy's profile


12 posts in 1318 days

#2 posted 03-04-2015 09:31 PM

Sometimes its two like the one above. I usually do them in batches since many of them have the same slot locations so I can set the fence once for several rows. After cutting the slots I change to a round over bit to finish them.

-- Bruce, Oklahoma

View Earlextech's profile


1161 posts in 2683 days

#3 posted 03-04-2015 09:39 PM

The first one you make becomes the jig for the rest. Use flush trim on a plunge router.

-- Sam Hamory - The project is never finished until its "Finished"!

View gfadvm's profile


14940 posts in 2683 days

#4 posted 03-05-2015 01:21 AM

The template/router idea should work well but my first thought was to drill 3/4” holes at the ends of all your slot locations, then use a jigsaw or router with a straight edge to remove the materiel between the holes.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View pintodeluxe's profile


5652 posts in 2806 days

#5 posted 03-05-2015 02:41 AM

1+ for Sam’s solution. That will work well.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View mbzguy's profile


12 posts in 1318 days

#6 posted 03-05-2015 03:15 AM

I used to drill holes first when I first started doing these, but many times I was off just a hair in the drilling. I found it much easier and quicker to just drop it down on the router bit like a plunge cut. I just don’t know if that’s the safest, although no problems yet.

-- Bruce, Oklahoma

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