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Centering your router on a mounting plate

41967 Views 61 Replies 37 Participants Last post by  niswanger
It is very important that your router be centered on your mounting plate. Many people sweat over this for hours remeasuring before they drill their mounting holes. The quick and easy way to do this is with a centering kit from Rousseau. These kits work with all brands of mounting plates that accept Porter Cable style guide bushings and they cost $5.

Step 1. You chuck up the centering pin in your routers 1/4" collet.
Step 2. Insert the disk into the center hole of your mounting plate.
Step 3. Remove the sub base plate from your router, set it and the screws aside.
Step 4. Install the transfer screws into your routers base with the points facing out.
Step 5. place the centering pin into the disk, position your router to face the direction you want it mounted and lightly tap the edge of your router with a mallet. This marks the locations you need to drill.
Step 6. Drill the holes, flip the plate over and slightly countersink them.
Step 7. Using the new screws that came in the centering kit attach your router and it is perfectly centered.

If you are using a plate that accepts the larger Oak Park style guide bushings you can purchase a centering disk and a guide pin from them. You can purchase transfer screws from most hardware stores or tool suppliers.


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61 - 62 of 62 Posts
I have a 1023 with the same router wing. It's usable as a basic router table but without doing some drilling it's pretty oldschool - all your adjustments require fiddling under the table. Some people have mounted "above the table" plungers and drilled a hole for the adjustment screw. The two insert plates are fine, they won't come flying out or anything.

I wanted to have a separate table with a lift for an Incra LS positioner so I built my own table. Lots of reasons why that is a better way for me - LS positioner, solid lift, better DC, more storage for routers, router bits and such. If I was only doing a little table based routing, I'd probably stick with the 1023's wing.
Hey gang, read about this on a few other posts but figure it's more appropriate to ask in this post. I have a Bench Dog Pro Steel top, Bench Dog Pro Plate I Large (specifically designed with pre-drilled mounting holes for my router, and a Milwaukee 5625 (fits the Pro Plate). Do I still need to do a centering operation? I figure I might get a 1/1000th of an inch adjustment but that's probably about all.

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