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Mortise Centering Router Base Zoom

Mortise Centering Router Base

Item #: 34553
Perfect centering every time.
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$19.99
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Overview

Simply straddle the board between the pins and cut your mortise - perfectly centered every time!


Features:
  • Plate is constructed of 1/4" Acrylic with 1-1/2" opening, and is transparent for visibility
  • Solid brass guides thread easily into 3 different insert settings for a variety of wood thicknesses and for non-centered mortises
  • 11/16"L guide posts

Will this router base work with my router?

Predrilled hole pattern fits:


  • Bosch 1617-1618 (fixed base only)
  • Dewalt DW616/DW618.
  • Makita 1100-1101 series
  • Porter-Cable 690/890 series

What's included

(1) Mortise Centering Router Base

Technical Details

  • Diameter: 6-1/2"
  • Guide Posts: 11/16"L
  • Material: 1/4" Acrylic
  • Opening: 1-1/2"
  • Brand: Rockler
  • Weight (lbs): 0.5000
  • Type: Router Base

Frequently Bought Together

Questions and Answers

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Browse 7 questions Browse 7 questions and 4 answers
Why did you choose this?
Rockler Store
To use in my work
Howard E on Mar 19, 2017
On sale
Leland M J on Aug 27, 2016
To use in my work
Howard E on Mar 19, 2017
Looking for an easy way to cut mortises with a plunge router that was affordable. The jigs are so expensive.
Mike G on Nov 14, 2016
On sale
Leland M J on Aug 27, 2016
Economic price & looked simple
Jeffrey G on Jul 29, 2016
gonna make a door
Howard H on Jul 18, 2016
I like Router stuff and I might need to use it some day.
James R L on Jul 17, 2016
for a set of pocket doors locks mortises
Gerald T on Jul 15, 2016
Made my own a few years ago. I think this will be an upgrade to my shop made center base.
Keith J on Jul 10, 2016
Easy to align center for narrow routing - ie Door bottoms
David R on Jul 8, 2016
mortises
Robert S on Jun 19, 2016
Makes it easy to clean up tongue and groove joint for a square application
Larry E on Jul 25, 2015
I felt this would be easier and faster then setting up a mortise jig.
William T on Jul 25, 2015
looking for a easy way for mortising and cradle
david s on Jul 18, 2015
Looking for an easy way to cut mortises with a plunge router that was affordable. The jigs are so expensive.
Mike G on Nov 14, 2016
Economic price & looked simple
Jeffrey G on Jul 29, 2016
I have a craft man plunge router will it work?
Ray A on Jul 24, 2015
BEST ANSWER: The predrilled holes didn't fit my Craftsman, so I drilled my own holes, countersinked them and used beveled bolts to fasten it. Then it worked as expected.
Will this fit a Triton MOF 01 router? How do you ensure the plate is centered?
maximillian on Jun 6, 2015
What thread size are the pins?
Joshua T on Apr 26, 2016
Is a drawing available with dimensions so potential buyers can compare to their routers to see if it fits before purchasing? I have a Dewalt DW611 trim router.
AMaguire on Dec 24, 2016
BEST ANSWER: I did not find a drawing to compare with before purchase. I got mine for my Bosch Colt and the holes were dead on so the holes for the DeWalt should be also. According to the instruction sheet, it is pre-drilled for your specific router. The diameter of the plate is 5 3/4".
is a plunge router necessary or can this be used on a 'normal' router?
peter on Feb 7, 2016
BEST ANSWER: Yes, on a normal router.
The picture shows the left end of the mortise about 3/4' from the end of the board. The left guide pin looks to be about 1 1/2 inches from the bit. Wouldn't the guide pin have fallen off the end of the board? I suppose you could use a test board butted to the real board but that is not what the picture shows and would be very clumbsy.
Westbend on Jul 24, 2015
BEST ANSWER: The guide as designed works well but yes you are correct that the base needs support for small boards.
Try clamping a set of longer boards on each side to get the desired dado . make sure the boards a wide enough for the clamp to fit without hissing the pins on the base.
do you offer a base for dewalt 621 plunge router?
jim m on Dec 31, 2015

Reviews

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3.9 / 5.0
15 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
5
6
2
2
0
I failed to read that the...
I failed to read that the base was not pre-drilled for my model router (Bosch 1617/1618 EVS) and was very upset at myself when I went back and read this in the catalog after I tried it. I did find that the metal guide posts fit perfectly into holes that were pre-drilled into the router's plunge base, however. Using it in this way, I have been very successful. The only suggestion I would offer would to be to install a bearing, such as on a flush trim bit, to reduce the friction against the stock.
October 17, 2008
I hate to only give this...
I hate to only give this product three stars, but the brass pins don't glide along the wood very well. In its provided form, it was difficult to create smooth, consistent mortises because the pins would "grab" the wood. It took a very delicate hand to operate and was prone to error. My fix was making new pins out of screws (jam nuts keep them from coming loose) with nylon spacers over the threads. (Two dollars and some change at the local big box.) The spacers act like bearings/bushings and roll smoothly along the wood without marking it. Had the product arrived in this form, I would have had no reservations awarding it fives stars.
December 22, 2008
I know we can make our...
I know we can make our own special use base plates like this one but I've got to tell you, for the $9.99 price tag it just isn't worth it! This is a top grade item and besides being useful for cutting mortises it gives you the advantage of having a see through base plate on your router for every day jobs!
July 21, 2009
Bought this on sale and it's...
Bought this on sale and it's well worth the price. I will agree with other reviewers about the brass pins not sliding as well as they could but it does work. you just have to make sure you hold the pins against the wood tightly as you move the router. I plan on replacing the pins with some sliding glass door track wheels or small bearings. For $ the plate with the threaded inserts is worth it as there are other things you can use it for.
May 28, 2009
Great product, that makes an easy...
Great product, that makes an easy job of mortises. Using shims on the sides of the project adds a lot of flexibility. I am sure a wedge secured properly on top would also allow different angles as well, though I have not tried it yet. Great product! Thanks again Rockler!
August 4, 2008
I built this bed using the...
I built this bed using the mortising base plate from Rockler. It is a half bed (my design). This is with a coat of primer paint on it.
October 21, 2007
Fast delivery. Tried it out this...
Fast delivery. Tried it out this evening. Works great. Had to drill a couple of mounting holes for my Ryobi but got lucky and was successful first try. Clamped a 3/4# piece in the vise and presto. A mortise right down the center. The base would easily get 5 stars if there were different models for different routers. No binding issues like other reviewers had. I think they may be twisting the router too tightly against the wood. It's a shame that the opening is 1 1/2" instead of 1 1/4". I could leave this plate on my router permanantly. If it had been designed to accept template bushings it would be the "perfect" base. 
June 7, 2011
Great accessory for the router
February 21, 2016
Purchased
 1 year ago
Woodworking Experience:
Advanced
I works well enough for me
May 27, 2016
Purchased
 1 year ago
Woodworking Experience:
Intermediate
I also failed to read that...
I also failed to read that the base wouldn't fit my Skil router, but with a little modification I had it mounted,and running. This base saved me alot of time and frustration. Thanks.
July 16, 2009

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