View Full Version : Modifications to Porter Cable Dovetail Jig (4210, 4212, 4216) for consistent results
Steven Woodward
12-17-2020, 2:44 PM
I found the Porter Cable Dovetail Jig model 4212 would not give me consistent results in tightness of joint and alignment of pieces. With a few modifications to eliminate variation, I was able to get consistent results. I keep a dedicated router with the bit installed so that I can set up quickly and make a perfect fitting drawer on first try without any adjustments to the jig or router. Saves a lot of time.
Modifications are explained in this YouTube Video https://youtu.be/hTRCSAM-YTk
I am interested in any other ideas to improve the Porter Cable Dovetail Jig
johnny means
12-17-2020, 2:51 PM
Broken link?
Steven Woodward
12-17-2020, 3:24 PM
Fixed link. Thanks for pointing that out.
Bill Dufour
12-17-2020, 10:58 PM
I have two dedicated routers for dovetail jig. First is 1/4" spiral carbide endmill to hog out the waste a little above final depth. The the dovetail bit adjusted for depth of cut. It saves a lot of wear and force on the expensive dovetail bit.
Bill D
stephen wood
12-18-2020, 10:28 AM
Nice video. Thanks! I have the Keller jig but thinking of an upgrade.
Lee Schierer
12-18-2020, 10:33 AM
I have a similar jig with the same type of clamping mechanism and I also use scrap blocks on the opposite side when clamping narrow drawer pieces. However, I added rare eath magnets so the one in the vertical clamp doesn't slide out while adjusting or removing the work piece.
Rick Potter
12-19-2020, 3:59 AM
Love the video. It is very clearly done and easy to follow and understand. I had thought of some of those mods, but not nearly as thorough as you explain it.
Do you always use the same thickness wood?
Thank you.
George Bokros
12-19-2020, 7:06 AM
Excellent video. I already did the nuts on the positioning posts and plan to put the screw in to to keep the top of the positioning stop from wiggling. I believe the real secret is having a dedicated rooter, bit depth is key.
Good info.
Robert Galey
12-19-2020, 7:22 AM
Thank you for taking the time to create an excellent video.
Harvey Miller
12-19-2020, 10:36 AM
Thanks. Even though I have a different jig, that was 8 minutes well spent!
Tim Andrews
12-19-2020, 10:36 AM
Thanks for posting this video, well done. My results from using the PC jig were never completely consistent. I’ll give these modifications a try.
Randy Heinemann
12-19-2020, 10:46 AM
Excellent video.
Sanford Imhoff
12-19-2020, 12:48 PM
Well done. Thanks for the video.
Steven Woodward
12-29-2020, 8:36 PM
Love the video. It is very clearly done and easy to follow and understand. I had thought of some of those mods, but not nearly as thorough as you explain it.
Do you always use the same thickness wood?
Thank you.
Found I can change thickness of the wood without making any adjustments to the jig.
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