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Rockler Undersized Plywood Router Bit Set

Specially designed to cut perfect-fitting grooves and dadoes for plywood that measures less than its stated nominal thickness.
Item #
60788
Rating:
88% of 100
(87)

Plywood is usually thinner than the nominal measurements indicate. As a result, regular size bits usually don't cut a tight-fitting dado. Fortunately, undersized dado bits like these will help your joinery fit perfectly, resulting in stronger assemblies and nearly invisible joint lines. This set includes the three most common sizes of straight bits for undersized plywood: 23/32" for 3/4" plywood, 31/64" for 1/2" plywood, and 15/64" for 1/4" plywood.

Rockler Undersized Plywood Router Bit Set

(1) 23/32" Straight Bit for 3/4" plywood

(1) 31/64" Straight Bit for 1/2" plywood

(1) 15/64" Straight Bit for 1/4" plywood

More Information
Brand Rockler
Weight 0.2500
Bit Type Straight
Shank Size 1/4"
Flutes 2
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4.4 / 5.0
87 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
63
12
2
2
8
Perfect cuts
During the pandemic shutdown in Southern California I had long-standing projects to complete and new ones I'd dreamed up. A supply of left-over plywood was begging to become a storage cabinet for our basement. Knowing 3/4" and 1/2" ply don't "measure up," these bits cut perfect dados.
June 18, 2020
Purchased
 2 months ago
Woodworking Experience:
Intermediate
Great set!
I have only used the bit for the 3/4” size plywood. Works great. I use it to cut the dado in kitchen cabinets I’m making to accept the lower permanent shelf. I would have made two cuts in the past with a half inch bit. This undersized bit makes the job go quickly. Also leaves a beautifully clean dado. Price is right as well. l
June 18, 2020
Purchased
 2 months ago
Woodworking Experience:
Intermediate
Plywood router bits
They work as advertised. Recommend purchasing a set
June 16, 2020
Purchased
 1 month ago
Woodworking Experience:
Intermediate
Very good.
Very good for plywood nominal thicknesses.
Dados for shelves are perfect; no loose fits.
March 20, 2020
Purchased
 1 year ago
Woodworking Experience:
Advanced
Gets The fit so much better than a standard bit.
Good results and a better fit!
December 30, 2019
Purchased
 7 months ago
Woodworking Experience:
Beginner
PERFECT........
November 15, 2019
Purchased
 8 months ago
Time saving and accurate.
I'm just learning to use my router. This is better than my dado blade and makes a cleaner cut.
September 10, 2019
Purchased
 10 months ago
Woodworking Experience:
Intermediate
cuts precise dados. Wish the plywood was as accurate
September 3, 2019
Purchased
 11 months ago
Woodworking Experience:
Intermediate
Router bits worked well unfortunately my sears router is cheap piece of junk ! Got a better router (porter cable ).
Love the tools you guys sell !
August 1, 2019
Purchased
 11 months ago
Good Choice
They sure beat setting up the dado stack for small projects
July 21, 2019
Purchased
 1 year ago
Woodworking Experience:
Intermediate
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Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 4 questions Browse 4 questions and 55 answers
Why did you choose this?
Rockler Store
I chose these bits to speed up cutting dados for plywood drawer boxes.
Alan M on Jun 29, 2020
To cut dados for plywood
Marcus L on Jun 18, 2020
I chose these bits to speed up cutting dados for plywood drawer boxes.
Alan M on Jun 29, 2020
To cut dados and rabbets in plywood, because my table saw will not accept a dado stack.
Ron K on Jun 23, 2020
To cut dados for plywood
Marcus L on Jun 18, 2020
I use plywood in my furniture construction. I need dados and grooves, and this is faster than setting up a dado stack. I need the option of quarter inch shaft as well as 1/2.
wild bill on Jun 17, 2020
Hard to find, tired of stacking dados
Frederick W on Jun 2, 2020
Building drawers using rabbits and dados with plywood.
Kacey M on May 30, 2020
To make better fitting dados when using plywood.
Thomas R on May 18, 2020
I can use router instead of tablesaw
steven s on May 17, 2020
to have full range of widths for dadoes etc.
Craig N on May 10, 2020
do a lot of shelving and cabinets with using slots to hold shelves.
Bob H on May 6, 2020
I have learned that using standard straight bits, there is "wiggle" room for plywood in the cut, so, I use the undersized bits. Having been a customer of Rockler for many years, I have come to trust them and their products.
BARRY F on May 5, 2020
I like Rockler products because they’ve always proven to be high quality. So, I’m trusting the brand here! I work mostly with plywood and just bought a router. Hoping these prove themselves!
Becky B on May 1, 2020
Making some kitchen cabinets- this will make the bottom shelf dado go quick. thanks rockler!
Michael Peters I on Apr 28, 2020
I work with a lot of plywood and thought these would make a big difference in my quality of work.
STEVE F on Apr 20, 2020
Quality
William P on Apr 12, 2020
Needed them to make shutters with plywood inserts.
Frederick W S on Apr 7, 2020
projects coming up
Charles W on Mar 30, 2020
pricing
Steve U on Mar 27, 2020
Need the set for oak plywood shelving in oak plywood bookcases.
Stephen B on Mar 17, 2020
Required to build dresser I am making. Using 1/4 ply to make doors and ply is not 1/4 inch.
Stephen P on Mar 11, 2020
Need them for a home project.
Cheryl H on Mar 7, 2020
Solves the problem with undersized plywood and having to make two passes with smaller bits to achieve the necessary size.
David L on Feb 27, 2020
I cut my own dadoes with a router and most plywood thicknesses are not 3/4". 1/2", or 1/4". They are slightly smaller. These bits give a tighter fit at 1/64" less than the nominal plywood size, not a sloppy one like 3/4" router bit would give you.
N Y on Feb 21, 2020
to make dados in some plywood cabinets
Jason Ruffino K on Feb 15, 2020
Good for making plywood boxes
Edward R on Jan 30, 2020
Needed them for cabinets
Dave C on Dec 27, 2019
Recommend by the master woodworker youtube channel.
Michael T on Dec 22, 2019
Hope it works as advertised. If so, looking forward to easier dados for plywood.
Tom M on Dec 2, 2019
because plywood is undersized
Robert H on Nov 29, 2019
Rockler has the specific sizes I need.
David D on Nov 15, 2019
Needed Them
Doug O on Oct 22, 2019
your mom
josh g on Oct 5, 2019
Nice bit set for plywood work.
Michael R on Sep 9, 2019
Building several cabinets and setting up the dado blade wastes build time!
Brett W on Aug 29, 2019
I chose this to make it easier to do dadoes.
Rodney on Aug 29, 2019
tired of setting up dado blades
ROBERT M S on Aug 26, 2019
starting some projects that require dados that I am making with plywood.
PAUL P on Aug 24, 2019
I bought it for a new project.
Dave G on Aug 19, 2019
needed for plywood dados on furniture project
William B on Aug 19, 2019
Been wanting both sets!
Wally G on Aug 7, 2019
Needed for project
Marion C on Aug 6, 2019
need to make some dados, don't currently have a table saw with a dado blade.
Brian Saxe C on Aug 4, 2019
When I made my first plywood cabinets, I used a 3/4” straight router bit with my router table to make dado grooves, which had some play, complicating box assembly, and leaving visible gaps. This bit set will take my cabinet making to the professional level.
Joseph F on Aug 4, 2019
Making plywood furniture and these bits create correct sized channel/dados.
Ken on Jul 23, 2019
Building some closet units using Walnut Plywood. Need to make several dados for shelves, etc. These are much faster to use then setting up dado stacks and trying to get the right fit.
Norman S on Jul 15, 2019
I'm going to be using both 1/4" and 3/4" plywood in a project and this appears to be the best deal for helping make sure they will have a snug fit.
Michael W on Jul 9, 2019
I chosed these undersized router bits to avoid loose joints.
Louis P on Jun 20, 2019
This makes it easier to route dados for plywood.
Charles N on Apr 27, 2019
Need bits to cut dados in undersized plywood.
Blake L on Apr 2, 2019
I wanted to make dados for using plywood a little quicker doing only one pass.
Denny on Mar 29, 2019
To cut dados and rabbets in plywood, because my table saw will not accept a dado stack.
Ron K on Jun 23, 2020
I use plywood in my furniture construction. I need dados and grooves, and this is faster than setting up a dado stack. I need the option of quarter inch shaft as well as 1/2.
wild bill on Jun 17, 2020
is the price for 4 unit router bit?
saiful on Sep 21, 2015
BEST ANSWER: This is a 3 piece set of router bits with 1/4" shanks.
Do you sell 1" straight router bits?
Tom G on Jul 1, 2017
BEST ANSWER: I don't think they sell a 1" straight router bit. You can make the cut with 2 passes. Cut one side with a 3/4 router bit then cut the other side with the same 3/4 router bit so you don't have to anymore adjustments. Just make a straight edge for your router and use it on both sides. Hope this help you.
Will these bits allow me to use the Festool MFK 700 to cut 6mm deep dadoes in 19mm thick plywood? The MFK 700 has stringent size requirements - cutting length can't be greater than 5/8" and a shank length not more than 1 13/16" - 1/4" collett (or 8 mm)
Bettesue on Nov 27, 2016
Prop 65 WarningWARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov

Prop 65 WarningWARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.
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