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8" x 24T Super Dado Sets
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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 DadoesThe 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.
M Hensley
Reviewed in the United States on February 3, 2025
Compared to my old dado set, this set works so well. The cut quality is very good. I'm using this with a Bosch 4100 job site type table saw.The set I received did not come with the plastic case. I don't know why. But, the cardboard case is pretty hearty, so I don't think it will be a problem. The packing is nicely fitted to the dado set. It sounds like the plastic case is pretty light duty anyway.
murray
Reviewed in Canada on November 15, 2022
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.
Victor J Luck
Reviewed in Australia on July 29, 2020
Cut cleanly, easy to set desired size and very well packaged.
Arturo Carrillo Rodulfo
Reviewed in Mexico on July 14, 2020
Excelente. Cortes limpios, Fácil de instalar.
Báez
Reviewed in Mexico on January 5, 2020
Excelente producto me llego rapidisimo, en perfectas condiciones y aparte por oferta solo pague 2500 pesos aproximadamente.
Morgan
Reviewed in Canada on November 29, 2019
This is a great dado stack! Case is a bit flimsy but who cares! Very reliable blades as expected from freud! We use this stack everyday for a couple months now and havent had to do anything other then clean them!
verygooddog
Reviewed in the United States on March 25, 2014
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 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.
Sam Fisher
Reviewed in the United States on June 30, 2006
I'm very pleased with the way this dado set is working out. I was concerned with using an 8" stack with a 1-1/2 hp delta contractors saw, but so far it's working out great--even with all the blades installed. I don't have any experience with other dado stacks, but to my eye the cuts from the SD508 are superb. 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. Putting the both cutters and the chippers together for a cut can be a chore. Now I know why Bill Hylton says avoids using a dado stack in favor of using a router to make dados in some of his books. :-)Other reviewers said that they had a hard time judging which chipper is which. There are 4 in the set. Two 1/8", one 3/32" and one 1/16". I found that looking at them carefully from the side made it easy enough for me to determine the widths without resorting to using a dial caliper or other measuring device.The box the blades come in is nice, sturdy and protects the blades well. Just make certain the tabs to hold it closed are secure. Otherwise there's the potential for all your blades to fall out if you aren't careful.There's a dvd with an intro on how to use the dado, as well as a chart that tells you which cutter and chipper combos will produce a certain size dado/groove, that comes with the set. The dvd is specific to the dial-a-width product and really doesn't cover much other than the 'basic of basics' on how to use the dado. It also has a plan on it for a dado sled.One other thing. Using any saw blade can be dangerous; using a full dado stack the first time can be VERY intimidating and dangerous if you aren't careful. Make sure all your safety gadgets are in place so you can deal with the intimidating part so you don't 'accidently' experiance the dangerous part of while using it. That said, after making a full depth, clean bottomed dado in one pass, all I can think to say is "sweet"! Feeling intimidated by all those spinning blades quickly fades to healthy respect.
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