Circle Jig for Router

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Project by CalNinja posted 11-23-2014 01:54 AM 2104 views 5 times favorited 2 comments Add to Favorites Watch

Simple circle cutting jig for the router. Found two rods that had threaded ends only that fit inside the holes on the base of my router. The block of wood is just a scrap piece that i had that was big enough with holes just slightly smaller than the threaded rods drilled in 4 inches apart. Center on the block is a small pilot hole for a screw or nail to secure it. Using a 1/2” straight bit in the router i made several passes taking a little bit off at a time. Big enough to do 16 inch radius circles.

2 comments so far

View DIYaholic's profile


19738 posts in 2909 days

#1 posted 11-23-2014 04:06 AM

A very useful addition to the shop. Nicely done.

I made a VERY similar one, except I used wooden dowels.

Enjoy using yours….

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

View Hawaiilad's profile


3305 posts in 3255 days

#2 posted 11-23-2014 08:06 AM


Such a simple jig….why don’t we all have one of these in our shop. Question, did you have to waist a scrap piece under your circle so you didn’t cut into your bench top or did you have something under it to raise it off the bench top? Thanks so much for sharing this great idea

-- Larry in Hawaii,

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