If you are looking to purchase a Dado Set for you table saw, I recommend this video to help you:
Stumpy Nubs:
Why don’t we all use 10-inch dado sets on our 10-inch saws?
[ Ссылка ]

There are plenty of positives to using a 6" diameter Dado Set, however you can really effectively use a 3/4" cross cut sled with it. It doesn't give you enough height above the sled's surface.

So, after learning this lesson the hard way, I thought I would publish a video explaining my experience and maybe you will find it useful.

Other links discussed in the video:

3x3 Custom:
SMALL Cross-Cut Sled with ADJUSTABLE Fence, EXTENSION wing and BEVEL Feature!
[ Ссылка ]

William Ng:
Make an Accurate Box Joint Jig, Simple and Fast
[ Ссылка ]

1. Set the height of the blade about 1/32 inch higher than the material
2. Cut jig spacer key .004 inch smaller than the opening.
3. Cut key to about 1/32 inch smaller than the height of the hole so it doesn’t rock
4. Fingers should be ~.006 smaller than the opening, to adjust for smooth fit and glue.

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