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View Full Version : Short length, exact-width dado jig



Prashun Patel
06-17-2011, 9:46 AM
I am looking for a commercially available version of a dado jig to work with a plunge router. Basically a "Perpendicular Mortisepal" - if that makes sense...

I could make one, but I've learned that (for me) buying precision jigs leads to longer term happiness for me than building my own.

Jerome Hanby
06-17-2011, 9:56 AM
Woodhaven has a jig. On Amazon (http://www.amazon.com/Woodhaven-789XL-26-Dado-Jig/dp/B001NZ4QZ6)

Prashun Patel
06-17-2011, 10:14 AM
Thanks, Jerome. But I'm looking for something that I can cut dados (not mortises) with on narrow pieces like a chair leg.

Neil Brooks
06-17-2011, 10:43 AM
Thanks, Jerome. But I'm looking for something that I can cut dados (not mortises) with on narrow pieces like a chair leg.

Since I'm still not 100% clear ....

Do you mean down the length of a chair leg, or across the width of the chair leg.

If it's down the length, I'm thinking about your basic router edge guide.

Prashun Patel
06-17-2011, 10:50 AM
Across the width: as if you were making a dado across the width to accept a shelf.

Neil Brooks
06-17-2011, 11:01 AM
Hmm. I'd think the problem .... would inherently be stability, unless you were cutting the dadoes in all four -- or however many -- legs at once.

This isn't one you can do on the table saw, with a stacked dado head and a miter gauge ?

Dave Gaul
06-17-2011, 11:48 AM
Doesn't Infinity tools make some kind of jig like that?

Neil Brooks
06-17-2011, 12:53 PM
Doesn't Infinity tools make some kind of jig like that?

If you're thinking of this one (http://www.infinitytools.com/Precision-Router-Dado-Jig/productinfo/PDJ-100/), it looks like it would only make the dado lengthwise, on the stock ... in Prashun's case.

In other words ... it seems like a variation on the router edge guide.

Does that seem right to you ?

Rob Fisher
06-17-2011, 2:14 PM
Something like this...?

http://www.amazon.com/Woodhaven-789XL-26-Dado-Jig/dp/B001NZ4QZ6

Not cheap but looks pretty well built.

glenn bradley
06-17-2011, 6:29 PM
This isn't one you can do on the table saw, with a stacked dado head and a miter gauge ?

+1 unless I am not picturing it right ;-) The tablesaw and a carrier guided on one of my sleds would also be my preferred method of making this type of repeated cross cut.

Dave Gaul
06-17-2011, 6:42 PM
If you're thinking of this one (http://www.infinitytools.com/Precision-Router-Dado-Jig/productinfo/PDJ-100/), it looks like it would only make the dado lengthwise, on the stock ... in Prashun's case.

In other words ... it seems like a variation on the router edge guide.

Does that seem right to you ?

Yeah. I didn't quite picture what Prashun was trying to do.

Prashun, couldn't you do this on a router table?