Boxland: Work Stations and Boxing Tips #7: Process For Setting Depth for Spline Cuts

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Blog entry by Boxguy posted 03-11-2013 02:11 AM 5940 reads 5 times favorited 8 comments Add to Favorites Watch
« Part 6: Making Great $5 Band Clamps! Part 7 of Boxland: Work Stations and Boxing Tips series Part 8: Cutting the Corner 45 Degree Angles »

Setting up saw blades for slot cuts in box corners.

Here is a quick way to set up your saw for cutting spline slots using a spline cutting jig and a dado blade. This method involves no measuring and take only a minute or two.

The trick is to use brass set up bars.

I keep my set close to the dado saw in my shop.

Hold the largest bar on a 45 degree angle on the corner of the box.

Add other bars until you get a combination that is just a little under the width of the box corner.

Now move these bars to the saw blade and crank it up or down until you have matched the height of the saw blade and the height of the set up bars. A finger touch will tell you when they are even. The blade tooth needs to be top dead center when you measure.

Now you can cut your spline slots without fear of cutting through your box corners. Have fun and look at my blog tutorial on how to build a slot cutting jig.

-- Big Al in IN

8 comments so far

View indgreg's profile


302 posts in 3251 days

#1 posted 03-11-2013 03:13 AM

thanks for advice ive yet to try a spline n boxes but want to try this will help

-- greg indiana

View indgreg's profile


302 posts in 3251 days

#2 posted 03-11-2013 03:15 AM

thanks for advice ive yet to try a spline n boxes but want this will help

-- greg indiana

View  woodshaver Tony C   's profile

woodshaver Tony C

8455 posts in 4690 days

#3 posted 03-11-2013 03:15 AM

Now that a good way to do it! Thanks Al !

-- St Augustine FL, Experience is the sum of our mistakes!

View Blackie_'s profile


4883 posts in 3849 days

#4 posted 03-11-2013 04:57 AM

Seems quick and speedy, thanks Big Al

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at

View ellen35's profile


2750 posts in 4769 days

#5 posted 03-11-2013 10:44 AM

Great tip.

-- "Don't let the perfect be the enemy of the good." Voltaire

View moonls's profile


412 posts in 4323 days

#6 posted 03-11-2013 02:03 PM

Thanks for the great new way to use my set up bars.

-- Lorna, Cape Cod

View Roger's profile


21055 posts in 4141 days

#7 posted 03-12-2013 09:41 PM

As Lynrd Skynrd sang: “be a simple…........kind of man” That’s a gr8 tip Al

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. [email protected]

View robscastle's profile


8349 posts in 3541 days

#8 posted 05-22-2018 11:09 PM

Ah so thats how you do it ! I spend some time and made made a replica Jig!

I will have to ammend my blog so others dont pick up on “not so smart” ideas.
I am off to check ou your slot cutting Jig now.

-- Regards Rob

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