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Edited June 9, 2021
at 02:12 AM
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Normal price ~$80. Lowest since 2011 based on CCC. Works with DW745 and other portable table saws which don't accept normal dado blades.
Amazon description:
- 8" Dado Set, 5/8" Arbor
- Does not need dado set or saw blade
- Features Premium TiCo HI-Density Carbide Crosscutting Blend for Maximum Performance
- Silver I.C.E. Coating prevents build up on the blade surface and keeps the blade running cooler and cleaner
- All blades and chippers come with Freud's anti-kickback design
Box joints instructions with the SBOX8 [freudtools.com]
https://www.amazon.com/Freud-20T-...459&sr=8-2
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Expert
Was looking for such blade set for my 7480, when checkout it automatically apply the $10 credit of GC Gift For PD21.
Read your owner's manual, because I am betting all liability for using any dado set is on you. If you have a thread or two after mounted, I would use it. Just make sure on any saw that the thinner blade is on top of the threads, or you will not get a flat bottom cut.
PS: Although the common 5/8" arbor, you may have to make or buy a different throat plate for blade clearance.
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Before dado sets and as long as the teeth were offset to not touch, my Grandfather stacked regular saw blades with a flat rake tooth for a square bottom. Seemed to work just fine with the only limitation being the length of the saw's arbor.
The OP set has a 20 degree positive rake, so if using with a radial, you want to push into material and not pull.
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Years ago and before stacked sets, the dado sets that came out to fit most saws that had shorter shafts, were the somewhat balanced wobble dado blade example [amazon.com] that are still sold and economical in comparison to stacked sets. There are better models than that example, but I am not chasing it down. My Dad used one for years in his home shop and worked fine. I always thought they would be a little hard on the bearings in a commercial shop, but the goods ones did not have the expected vibration.
As for the throat plate discussion, the 1/4" kerf fit into my DW745 but the 3/8" kerf did not. The throat opening was more than 3/8" wide but the arbor position was offset a bit. My suggestion is to just make a throat plate. A bit of a distraction but you can make one in about 30 minutes.
https://www.youtube.com/watch?v=NutwD7B