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Freud SD508 Super Dado 8-Inch Stack Dado

by Freud
201 customer reviews
| 7 answered questions

List Price: $337.50
Price: $200.69 & FREE Shipping. Details
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Freud SD508
  • Enter your model number above to make sure this fits.
  • Features Freud's TiCo Hi-Density Carbide with Titanium for long life and a flawless finish
  • Cuts dado widths from 1/4" to 29/32".Includes a 3/32" chipper, ideal for cutting dados for today's undersized plywoods.
  • Set includes two outer blades,six chippers, Dado Tips & Tricks DVD, shim set, and storage case.
  • Cuts all composition material, plywood, hardwoods, and softwoods.
  • Freud's Limited Lifetime Guarantee
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21 new from $189.97

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$200.69 & FREE Shipping. Details In Stock. Ships from and sold by Gift-wrap available.

Frequently Bought Together

  • Freud SD508 Super Dado 8-Inch Stack Dado
  • +
  • SawStop TSI-DLD Dado Lock Down Insert
  • +
  • SawStop TSDC-8R2 Table Saw Brake Cartridge for 8-Inch Dado Sets
Total price: $328.69
Buy the selected items together

Product Description

Style: Freud SD508

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 Manufacturer

Chip Free Dadoes in Veneered Plywoods and Laminates
  • The SD500 Series dadoes were the first dadoes to include a 3/32 inch thick chipper. This allows the cut width to be adjusted in 1/32-inch increments and doubles the number of slot widths available. Many plywoods are being manufactured 1/32-inch undersized from the nominal size and this allows you to cut dadoes that will fit these materials with less shimming. We have also included a shim set with the dado for fine adjustments.
  • Freud's new Square Tooth(tm) design utilizes a shorter and thicker tooth which reduces drag in the cut and reduces the materials guiding effect. The Square Tooth(tm) design also increases the number of sharpenings you can obtain.
  • The SD500's use an extra thick and stiff outside plate, eliminating the hub. The gullet design provides maximum chip ejection. Both of these features prevent chip buildup within the stack.
  • Use on all table saws, and radial arm saws for cutting slots, grooves, dadoes, and rabbets in softwood, or hardwood.
  • Caution Carbide tips should never come into contact with each other. Always use both outside blades and never use chippers alone or with just one outside blade.
Dado Widths and number of inserts

Product Information

Style Name: Freud SD508
Technical Details
Part Number SD508
Item Weight10.6 pounds
Product Dimensions12.4 x 11 x 4.3 inches
California residentsClick here for Proposition 65 warning
Item model numberSD508
StyleFreud SD508
Item Package Quantity1
Cutting Diameter8 inches
Warranty DescriptionFreud's Limited Lifetime Guarantee
Assembled Diameter8 inches
Additional Information
Best Sellers Rank #50,794 in Home Improvement (See top 100)
Shipping Weight10.7 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableFebruary 18, 2002
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

From the Manufacturer

Diameter Teeth Arbor Hook Angle Kerf Grind Plate
8" 24 5/8" - - - -

Customer Reviews

Most Helpful Customer Reviews

124 of 128 people found the following review helpful By A Customer on August 7, 2000
Style Name: Freud SD506
I've purchsed Freud blades for my contractors TS before and have been very pleased, so I decided to buy their dado. The quality of this blade is excellent! The case which holds the outter blades, chippers, and shims is a thin plastic but firm foam lines the inside to keep everything supported and in-place. The blades and chippers are kept separated, while they're in the case, by a dimped plastic disks; they seem to do a decent job. As for the cut - smooth and glasslike on both the sides and bottom!! The only thing that bothers me is that the chippers are not labeled. To choose which configuation of chippers for a particular thinkness requires you to mic them.
It cleanly and easily cuts through oak to particle board. No chipping or tear out.
The only improvement to this dado blade would be to stamp the chipper with its thickness. Otherwise it is a very good purchase.
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131 of 138 people found the following review helpful By C. Tang on July 20, 2001
Style Name: Freud SD508
I've used several dado blades before including dial-adjust and stackable sets of different qualities. They all somewhat do the job but not quite I would like them to be. I've been using Systi-Matic blades, and they are very good. But I just could not justify for their $250 dado set or Forrest?s. So I decided to try one of the popular names in the business ? Freud. When the blades arrived in the plastic case, it caught my attention with its weight. None of those I used come close to how much this set weighs. The box is well packed with thick foam in the lid for placing blade during change, each of the eight blades is separated by a plastic spacer when stacked in the case and a set of steel shims. Only suggestion I have is to put marking on shims since there is no way I can tell which is what except the two thickest ones. Yesterday, I had a chance to use this set the first time on my newly purchased DeWalt DW746 table saw to make a piece for helping straighten the floor plank and make grooves in some the inlay pieces I am doing for the master bedroom. I was very much impressed how these blades performed compared to my past experience. Very, very smooth bottom and clean cut (no tear out) all the way and the blades are so sharp that with 1-3/4 hp motor I only need to hold down the piece and push effortlessly. I used walnut and Brizilian cherry by the way. The blade run-out is minimum that I even had a hard time taking them off the arbor if the blade was just off the 90-degree from arbor a little bit. This was my first experience with Freud blade, but I won?t hesitate to use other blades from Freud. It is a keeper for sure.
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50 of 51 people found the following review helpful By Amazon Customer on August 21, 2001
Style Name: Freud SD508
As I state in most of my reviews, I don't mind paying a little more to get a little more. If you're like me, this is the blade for you. I'm building a built-in wine rack for my house and wanted to use veneer plywood for the carcass. Well, as anyone knows, you need a _damn_ good blade to crosscut a dado in veneer plywood with no tear-out. This blade performed magnificently. Setup was a snap with the chart. Look up the thickness that you need in the manual, and it tells you which size chipper to use in conjunction with the outside blades. The bottom of the dado was so sqaure that you could use it on an exposed joint, such as a bookcase. The top of the dado was razor sharp and the fit was perfect. Also, this comes complete with a nice, metal, shim set. I've used the paper shim set in the past and you can never get a duplicate thickness once you've torn down the blade. Tighten the arbor screw a little more then last time, compress the paper a little mode and , viola, a thinner dado. Not the case with the metal shims here. One last thing to add is the carry case is a nice touch. Each of the blades and chippers are separated with a plastic ring. The entire thing filts in a small brief-case looking case. Again, well worth the money if you don't mind spending it....
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62 of 65 people found the following review helpful By A Customer on August 23, 2003
Style Name: Freud SD508 Verified Purchase
My set suffers in that the chippers cut slightly deeper than the outside blades. So, I get a slight, but noticable, shoulder on each side of the dado. This is particularly noticeable on exposed joints like finger joints. I'm in the process of finding out how Freud suggests this be remedied. I may post again once that's taken place. Otherwise, the groves are smooth with little tearout and the horizontal dimensions of the set are dead on.
I'm editing this review because I found out the culprit was my Sears table saw arbor. After the good service folk at Freud inspected my set they determined that there must be a valley at the end of the threads of my saw arbor. Sure enough there was and with there suggestion I filled it with JB Weld to the same height of the rest of the arbor and the set works wonderfully now. I've changed my rating dramatically upwards. But, don't get me started on the Sears saw!
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45 of 46 people found the following review helpful By John R on November 16, 2000
Style Name: Freud SD506
Having two dado sets already, I was frustrated that I couldn't get a chip-free cut in oak plywood. Even though I felt that the $154 price of this set was steep, I decided to try it. What a pleasure! I only have one suggestion: color code the shim stock so that quick placement is possoble. As it is now, you have to mic each shim to get what you want. I used some nail polish to color-code each one, but Freud could do us all a favor and identify each different size when the product is made. I would certainly recommend this dado set to anyone-beginner or experienced!
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Freud SD508 Super Dado 8-Inch Stack Dado
This item: Freud SD508 Super Dado 8-Inch Stack Dado
Price: $200.69
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