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Freud SD508 Super Dado 8-Inch Stack Dado, One Size, Multi

4.7 4.7 out of 5 stars 689 ratings
$179.96
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Freud SD508
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Purchase options and add-ons

Material Blend
Brand Freud
Product Dimensions 8"L x 8"W
Color Multi
Number of Teeth 24
Style Freud SD508
Item Weight 1.81 Kilograms
Compatible Material Engineered Wood

About this item

  • Specs: Arbor 5/8", Chippers (4)1/8",(1)3/32",(1)1/16", Diameter 8", Teeth 24
  • Adjusts in .004" or 1/250" increments
  • 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

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 1 x 1 x 1 inches; 3.99 Pounds
  • Item model number ‏ : ‎ SD508
  • Department ‏ : ‎ Unisex-Adult
  • Date First Available ‏ : ‎ September 14, 2007
  • Manufacturer ‏ : ‎ Freud
  • ASIN ‏ : ‎ B00004RK0P
  • Customer Reviews:
    4.7 4.7 out of 5 stars 689 ratings

Product Description

Product Description

8" x 24T Super Dado Sets

Amazon.com

Enhance the quality of your dadoes with Freud's SD508 Eight-Inch Super Dado Set with Anti-Kickback Design. Designed to produce smooth, chip-free dadoes and grooves every time, this set is designed to take on a wide range of materials, from hardwoods to laminates. For exceptional precision, the blade width can be adjusted in 1/32-inch increments, while the included shim set allows for even finer adjustments.

Razor-Sharp Blades for Smooth, Splinter-Free Dadoes
The perfect dado set for the fine cabinetmaker or weekend woodworker, the Freud SD508 produces dadoes and grooves that meet with flush, even edges. So you can be assured of precise cuts every time, the set is equipped with precision-grade features, starting with two proprietary razor-sharp outside blades.

These high-quality eight-inch, 24-tooth blades with 5/8-inch arbors cut dadoes and grooves that are clean, flat, and virtually splinter free. Cuts made by these blades are accurate the first time, saving you from making repeated passes over the same workpiece.

Flexibility for Cutting Hardwoods, Veneers, and More
The Freud SD508 fits all table saws and radial-arm saws and accommodates a wide range of materials, so you can keep it on hand from project to project. Use it to create dadoes and grooves in hardwood, softwood, chip board, plywood, and laminate (not recommended for non-ferrous materials).

Adjustable Dado and Shim Set for Achieving Perfect Width
Producing the perfect dado is often reliant upon finding the perfect blade width. Designed with that mind, this set virtually doubles the number of slot widths available. First, its adjustable dado allows exceptionally fine-tuned adjustments in 1/32-inch increments. It also features a handy shim set for those jobs that call for even finer blade-width adjustments.

And for greater versatility, the set's six chippers include a unique 3/32-inch chipper along with four 1/8-inch chippers and one 1/16-inch chipper. These chippers' four-wing design is a step above the common two-wing design of most chippers. This means your chippers will work efficiently to remove waste material and smooth the edges of your work pieces.

Anti-Kickback Design for Safe Operation
The quality of this dado set is enhanced by its anti-kickback design, which gives you an added margin of safety while you work.

MicroGrain Carbide Tips for Long-Lasting Performance
So you can get maximum performance out of this set, the blade components are constructed with Freud's TiCo Hi-Density Carbide. This means the blades can withstand numerous sharpenings and still retain their superior precision. And a Tri-metal Brazing process gives the blades impact resistance, so they last for the long term without dulling (a condition that can cause torn wood and uneven cuts).

About Freud: A History of Innovative Manufacturing
An industry leader for more than 50 years, Freud America, Inc. is a manufacturer and marketer of superior carbide cutting tools for the woodworking industry. Freud is the only manufacturer of woodworking tools in the world that produces its own MicroGrain Carbide with Titanium, called TiCo, a high-density combination of Titanium and Cobalt.

By producing its own carbide, Freud has the unique ability to formulate each tool for each specific application, thereby maximizing the cutting life and performance of the tool. Freud's full line of high-quality woodworking tools includes saw blades, router bits, shaper cutters, power tools, and more.

This product is covered by Freud's Limited Lifetime Warranty.

What's in the Box
Freud SD508 Eight-Inch Super Dado Set with Anti-Kickback Design, including two eight-inch blades (with 5/8-inch arbors), shim set, four 1/8-inch chippers, one 3/32-inch chipper, and one 1/16-inch chipper.

From the brand

From the manufacturer

Freud Super Dado Set, ideal for cutting slots, grooves, dadoes, and rabbets in softwood or hardwood

SuperDadoSet

Super Dado Set; Item #SD508

Freud's super dado set is ideal for cutting slots, grooves, dadoes, and rabbets in softwood or hardwood. Set includes 2 blades, 6 chippers, and carrying case.

Specs: Arbor 5/8", Chippers (4)1/8",(1)3/32",(1)1/16", Diameter 8", Teeth

- Adjusts in .004" or 1/250" increments

- 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

Application: To create clean edges, square shoulders, make flat bottom grooves and virtually splinter-free cuts

What's in the box

  • Super Dado Sets Saw Blade

    • Product guides and documents

    User Manual (PDF)

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    689 global ratings

    Customers say

    Customers like the quality, sharpness, value, flatness and accuracy of the saw blade. For example, they mention it's a sturdy set, makes very clean and smooth cuts and is worth the price. Some appreciate the flat bottoms and the ability to make precise repeatable dados.

    AI-generated from the text of customer reviews

    122 customers mention86 positive36 negative

    Customers like the quality of the saw blade set. They say it's a sturdy set with thick powerful blades that cut beautifully. They also appreciate the stiff foam filler in the top half of the case. Overall, customers are happy with the quality and value of the product.

    "...Heavy gauge construction, 4 tooth center blades, well balanced. The case is fine, won’t survive being dropped, but suffices in storing the set when..." Read more

    "...were perfectly smooth, with a perfectly flat profile and no tear-out at the exit...." Read more

    "...Good quality set. For the storage case, I agree with other reviews, not very good." Read more

    "...The shoulder was a prefect 90 degrees. The bottom was fantastic. The bottom was smooth, without any ridge lines between the blades or chippers...." Read more

    72 customers mention68 positive4 negative

    Customers are satisfied with the sharpness of the saw blade. They mention that it makes very clean, smooth, and accurate cuts. Some say that the quality of the cut is excellent.

    "...Cuts were smooth with flat bottoms and minimal scour lines. Great for tenon making. Heavy gauge construction, 4 tooth center blades, well balanced...." Read more

    "...The cuts were perfectly smooth, with a perfectly flat profile and no tear-out at the exit...." Read more

    "...The dado set cut smoothly with hardly any resistance. The sides were straight and smooth. The shoulder was a prefect 90 degrees...." Read more

    "...Once you use this dado set, you'll see why. Cuts perfect dadoes every time. Simple to setup and easy to store. What more could you ask?" Read more

    35 customers mention27 positive8 negative

    Customers like the value of the saw blade. They mention that it's worth the price, and well worth the upgrade. Some mention that the storage case is cheap.

    "...I use this all the time and would recommend it. Good buy for the money. Wish they provided a better case to hold the blades etc...." Read more

    "...to use it to make nice casework (and wood is expensive), it is worth the money." Read more

    "...over time then I know that I made a very good purchase and the money was well spent." Read more

    "...Thick powerful blades that cut beautifully. Worth every penny. Can't believe I've waited this long to get these. Game changers for sure." Read more

    24 customers mention21 positive3 negative

    Customers like the flatness of the saw blade. They say it produces clean, flat-bottomed dados with no tear-out at the exit.

    "...The cuts were perfectly smooth, with a perfectly flat profile and no tear-out at the exit...." Read more

    "...In all of these materials, I was impressed with the flatness of the bottom of the dado and the clean edges at the top of the cut...." Read more

    "...Clean, flat bottoms and sides. No chip out at all. The only thing that is a hassle (not unique to Freud) is that it IS a dado stack...." Read more

    "...I cannot say that the bottoms are perfectly smooth, but they are flat. The side blades do a nice job of not splintering the wood...." Read more

    21 customers mention15 positive6 negative

    Customers like the accuracy of the saw blade. They say it's very accurate, and easy to use. They also appreciate the ability to get accurate measurements, and say the set has everything you need to make precise, repeatable dados.

    "...It will definitely give you a good range of widths and clean, accurate cuts." Read more

    "The set provides easy set up and is very accurate. I use this all the time and would recommend it. Good buy for the money...." Read more

    "...Width of the cut seems to vary in that what was a tight friction fit with one setup is a slightly sloppy fit with the next exact same setup...." Read more

    "...The set has everything you need to make precise repeatable dados, shims and all...." Read more

    21 customers mention17 positive4 negative

    Customers find the saw blade easy to set up and use. They say it produces perfect flat and smooth dados and that the instructions are good. They also appreciate the illustrated guide to proper assembly, which speeds up the setup time.

    "...Cuts perfect dadoes every time. Simple to setup and easy to store. What more could you ask?" Read more

    "The set provides easy set up and is very accurate. I use this all the time and would recommend it. Good buy for the money...." Read more

    "...and labeled the chippers with a permanent marker, the blades were easy to set up for the correct thickness using charts that came with the blade...." Read more

    "...Second, Freud includes an illustrated guide to proper assembly of the set to create dados of various widths, which is much better than having to add..." Read more

    17 customers mention13 positive4 negative

    Customers like the case that comes with the saw blade set. They say it's a great bonus and secure holds everything. Some mention that the case is sufficient to keep everything today and protected.

    "...The case is fine, won’t survive being dropped, but suffices in storing the set when not in use...." Read more

    "...The set comes in a plastic case with very thin plastic spacers to separate the chippers and blades...." Read more

    "...Cuts perfect dadoes every time. Simple to setup and easy to store. What more could you ask?" Read more

    "...The only fault I can come up with is the box and its internal plastic liner...." Read more

    17 customers mention11 positive6 negative

    Customers are mixed about the size of the saw blade. Some mention it's a good fit on their Delta Contractor saw 5/8" arbor, with very tight tolerances on the arbor hole. They say it will definitely give you a nice range of widths and clean, accurate cuts, while others say it won't last long, and are size critical. They also say the box from Amazon was too large and there wasn't enough packing material. Some customers also mention that the blade is not actually 8 inches and can't be used with SawStop Contractor Saw.

    "...It will definitely give you a good range of widths and clean, accurate cuts." Read more

    "...off of each other are easily crushed, won't last long, and are size critical (different sized spacers for outside cutters and chippers)...." Read more

    "...It also comes with a nice carrying case that securely holds all pieces in place.." Read more

    ".../ 2" plywood and set the width of the cut to 15/32" and the width of the cut was perfect...." Read more

    Exceptionally smooth flat cut.
    5 Stars
    Exceptionally smooth flat cut.
    I’ve had several dado sets over the years, this is far and away the best performing set. Cuts were smooth with flat bottoms and minimal scour lines. Great for tenon making. Heavy gauge construction, 4 tooth center blades, well balanced. The case is fine, won’t survive being dropped, but suffices in storing the set when not in use. The instructions refer to the thickness of the blade plates and not tooth width, which was a bit of a head scratcher until I called Freud for clarification. Highly recommend.
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    Top reviews from the United States

    Elliott Skorupa
    5.0 out of 5 stars Exceptionally smooth flat cut.
    Reviewed in the United States on January 6, 2024
    Style: Freud SD508Verified Purchase
    I’ve had several dado sets over the years, this is far and away the best performing set. Cuts were smooth with flat bottoms and minimal scour lines. Great for tenon making. Heavy gauge construction, 4 tooth center blades, well balanced. The case is fine, won’t survive being dropped, but suffices in storing the set when not in use. The instructions refer to the thickness of the blade plates and not tooth width, which was a bit of a head scratcher until I called Freud for clarification. Highly recommend.
    Customer image
    Elliott Skorupa
    5.0 out of 5 stars Exceptionally smooth flat cut.
    Reviewed in the United States on January 6, 2024
    I’ve had several dado sets over the years, this is far and away the best performing set. Cuts were smooth with flat bottoms and minimal scour lines. Great for tenon making. Heavy gauge construction, 4 tooth center blades, well balanced. The case is fine, won’t survive being dropped, but suffices in storing the set when not in use. The instructions refer to the thickness of the blade plates and not tooth width, which was a bit of a head scratcher until I called Freud for clarification. Highly recommend.
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    One person found this helpful
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    Michael Sandman
    5.0 out of 5 stars Top notch dado set
    Reviewed in the United States on February 14, 2014
    Style: Freud SD508Verified Purchase
    I usually use a router to make dado cuts, but there are some uses like lap joints that are better to do with a dado head. The Freud 508 set is less expensive than Forrest's Dado King, but it got a good review in Fine Woodworking, so I ordered it. It's been several years since I've used a dado set, and now I remember why -- setting up is a bit of a pain. But... I tried making lap joints once on a router and had to interrupt the work with a trip the emergency room for a few stitches. To get reacquainted with dado sets, I made some 3/4" wide x 1/4" deep cuts with the Freud set in some scrap walnut, in melamine-clad particle board and in cherry plywood. The cuts were perfectly smooth, with a perfectly flat profile and no tear-out at the exit. Very impressive that it can handle such different materials.

    The set comes in a plastic case with very thin plastic spacers to separate the chippers and blades. I don't think these will hold up very well, but it will be easy enough to make substitutes. There's a useful DVD behind the foam in the upper section of the case, along with a chart showing how to combine the blades and chippers for various widths.

    This is one of several Freud dado sets. Less expensive sets than this one use chippers that use two pairs of cutters rather than four, and that may result in less smooth cuts. The next step up (SD608) uses a device that offers an additional width -- 7/32" -- and uses an adjustable insert to eliminate the need for shims and reduce the amount of shuffling of chippers and that you need to do to change widths. But unless you need to change widths frequently during each session, this set (SD508) is an excellent choice. It will definitely give you a good range of widths and clean, accurate cuts.
    34 people found this helpful
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    Smytty's Workshop
    5.0 out of 5 stars Very nice dado set.
    Reviewed in the United States on January 21, 2024
    Style: Freud SD508Verified Purchase
    I decided to add another dado set to my collection and very pleased with the results of SD508. The photos are of a curved table apron fabricated out of bendable plywood with a mahogany veneer. Good quality set. For the storage case, I agree with other reviews, not very good.
    Customer image
    Smytty's Workshop
    5.0 out of 5 stars Very nice dado set.
    Reviewed in the United States on January 21, 2024
    I decided to add another dado set to my collection and very pleased with the results of SD508. The photos are of a curved table apron fabricated out of bendable plywood with a mahogany veneer. Good quality set. For the storage case, I agree with other reviews, not very good.
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    verygooddog
    5.0 out of 5 stars Super smooth dado cuts; love the 3/32" chipper
    Reviewed in the United States on March 25, 2014
    Style: Freud SD508Verified Purchase
    I will qualify this review by saying that I've only had the Freud SD508 Dado stack for a few weeks. In that time, I've used it to make dado cuts in Baltic birch plywood, HD 'sand ply' plywood, hard maple, yellow birch, poplar, MDF and MDF with laminate. In all of these materials, I was impressed with the flatness of the bottom of the dado and the clean edges at the top of the cut. The outside blades do leave a light scoring mark in the bottom of the cut, but that's about it to my eye.

    I made some dados that were wider than the maximum stack, requiring multiple passes to get the width. Even with these dados, the only visible-to-the-naked-eye marks were the light scoring of the outside blades.

    I am very happy that this set includes a 3/32" chipper. Cutting dados to fit 'standard' plywood thicknesses is much easier. I also like having perfectly sized steel spacers in increments of 0.004". Much better than using paper or plastic shims. The first thing I did was to mark the thickness on each shim and chipper with a sharpie. I can be a bit dyslexic at times, so I also marked the 2 outside blades with an L and R. Makes it much quicker to set up a stack.

    I was particularly impressed when I cut a 1 1/4" wide X 1/2" deep dado for an      INCRA Miter Channel - 32"  in a 27" x 36" router table top. I made the top from a double thickness of 3/4" MDF edged with 3/4" poplar and with 1/16" laminate glued to it. I checked the surface flatness of the laminate with a straightedge and feeler gauges before I made the cut and it was flat within 0.010". The cut with the Freud dado stack produced no chipping of the laminate at all; the edges were sharp and clean. I want to qualify that a bit because I did take some precautions with these cuts. I used a zero clearance insert on my table saw, and cut the exact slot width with the cutters I was using. I also used a sacrificial board clamped against the exit side of the dado to prevent any blow out of the poplar or laminate. And of course the dado stack was quite sharp, being relatively new. I also took the precaution of running the first 3/4" wide cut down the center of the slot, checking the edges, and then enlarging the slot in both directions. After that first cut, I ran a piece of blue tape across the corner of the exit end, for extra insurance. It all worked and the bottom of the dado was very smooth, with 2 light score marks. From end to end, the width of the slot varied by 0.004".

    Other reviewers have dinged this set because of the low quality of the box it comes in. I agree that it is poor quality, particularly the red, blow molded insert, which arrived cracked and a bit shredded, but still useable. Personally, I would prefer to have Freud put their money into the dado stack, not the box. These things are expensive enough; I don't really want to pay even more for a better box. If it really bothers me in the future, I might make my own *really beautiful* box, but I probably won't.
    14 people found this helpful
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    Top reviews from other countries

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    murray
    5.0 out of 5 stars Best cutting dado blade I’ve ever used
    Reviewed in Canada on November 15, 2022
    Style: Freud SD508Verified Purchase
    Easy to use, very sharp. And cuts super even. Zero ridges in the cut. Also zero tearing when cutting oak plywood cross grain. Wouldn’t even think of buying a cheaper one. But this one and and be done.
    One person found this helpful
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    Báez
    5.0 out of 5 stars Dados
    Reviewed in Mexico on January 5, 2020
    Style: Freud SD508Verified Purchase
    Excelente producto me llego rapidisimo, en perfectas condiciones y aparte por oferta solo pague 2500 pesos aproximadamente.
    2 people found this helpful
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    Arturo Carrillo Rodulfo
    5.0 out of 5 stars Muy buenos
    Reviewed in Mexico on July 14, 2020
    Style: Freud SD508Verified Purchase
    Excelente. Cortes limpios, Fácil de instalar.
    One person found this helpful
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    Victor J Luck
    5.0 out of 5 stars Impressed
    Reviewed in Australia on July 29, 2020
    Style: Freud SD508Verified Purchase
    Cut cleanly, easy to set desired size and very well packaged.
    Report
    Paul S.
    2.0 out of 5 stars Won't fit Sawstop Jobsite Pro
    Reviewed in Australia on May 6, 2023
    Style: Freud SD508Verified Purchase
    Blades are not a true 8" blade but are slightly larger at 207mm. This difference means it will not fit the Sawstop Jobsite Pro saw. Most frustrating to find that advertised size is not actual size.
    Report