R4512 Extension Wing Router Table

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Project by darkone posted 06-07-2013 11:12 PM 8264 views 12 times favorited 4 comments Add to Favorites Watch

Here is an extension wing that I built for my Ridgid R4512 table saw. Put together with plywood, MDF and hardboard. It’s not the final solution but together with my table saw fence and home-made router fence, it works pretty well. I’ll probably make a large one that takes the place of the steel extension wing in the future.

Thanks for looking.

4 comments so far

View jeff's profile


1306 posts in 4523 days

#1 posted 06-08-2013 03:49 AM

nice…what router plate did you use,and if you could how about a few snap shots of how you attached it to your wings…I have a rigid 4512 myself and im thinking about doing this…thx…

-- Jeff,Tucson,Az.

View darkone's profile


65 posts in 3014 days

#2 posted 06-11-2013 02:08 PM

I used the Rockler Craftsman plate I picked up when they went on sale a few months ago. As for the table top, it is plywood with a hardboard top. Then, I built another frame of 3/4” plywood around the edges to thicken it up a bit. To attach it to the saw, I used the pre-existing holes in the extension wing and brace. I simply used some fairly large wood screws with some washers and drove them straight into the plywood frame. You can see the three screws on the outside brace in the first picture. It has been plenty sturdy so far.

View DW833's profile


237 posts in 2941 days

#3 posted 07-17-2013 03:14 PM

This table is great and looks like it is within my skills and budget. I have a 4512 also and want to add a router extension table. My first attempt did not go well. So I’m trying again. Have a few questions about the project if you have time.

For the table top, is it just one piece of 3/4 plywood and then hardboard? Did you double up on the plywood? How did you attach the hardboard to the plywood. Glue or contact cement. I tried cutting a piece of plywood and fitting it to the wing. Found it to be very loose. Did you attach it to the front and rear rails or the just the extension and brace. It looks like the plate is supported by the plywood only. You must have cut the hardboard to the exact size of the plate.

How does if feel with the router on? Is there a lot of vibration?

View darkone's profile


65 posts in 3014 days

#4 posted 07-17-2013 05:42 PM

Hey DW833,

It is actually made of a hardboard top with 3/4” Home Depot Oak plywood. There is one sheet along the top along with a pair of 3” thick rails on each of the long sides. This was to help reduce any sag and to thicken the edges up. To attach it to the saw, it is only connected to the extension and brace with 3 long wood screws and washers through the existing holes. I only used yellow wood glue to attach the hardboard top and it doesn’t move at all.

To make the cutout, the plate is actually slightly thicker than the hardboard. So, I attached the hardboard to the plywood and then routed out the cutout to the exact depth of the plate. Then, I simply cutout the inside of the router plate cutout leaving about a 1” lip to actually hold the router.

I only have 1 router so it gets moved to the table whenever I need it so the table has been holding up very well since it doesn’t have the weight pulling on it 24/7.

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