Benchtop Mortiser Table Extensions

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Project by mountainaxe posted 03-16-2015 05:52 PM 16986 views 5 times favorited 4 comments Add to Favorites Watch

I recently purchased a Powermatic PM701 Benchtop Deluxe Mortiser. It’s a sweet machine that sure beats making mortises by hand…but, the metal table is short for furniture/cabinet pieces. I saw an idea in the May 2012 Wood Magazine that I thought was the answer. It’s basically two elevated wings that keep the pieces level while cutting. There are two flip stops that glide over a T-track. The setup makes repeatability a no brainer. I’ve used it already on two pair of cabinet doors and like it a lot. It’s inexpensive and easy to construct and can either be installed permanently or as a temporary jig. -

-- Jeff, "The things I make may be for others, but how I make them is for me."

4 comments so far

View pintodeluxe's profile


6497 posts in 4097 days

#1 posted 03-16-2015 06:21 PM

Looks like you did a nice job on the mortiser upgrade. It gives your benchtop machine features more like a floor model.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View SteveGrimes's profile


17 posts in 3660 days

#2 posted 03-17-2015 01:07 AM

Great idea!

View helluvawreck's profile


32122 posts in 4150 days

#3 posted 12-23-2017 01:34 PM

This is a wonderful setup for this mortiser. It will be a fine asset for your shop.

helluvawreck aka Charles

-- helluvawreck aka Charles,

View mountainaxe's profile


165 posts in 3789 days

#4 posted 12-29-2017 05:39 PM

Thanks again for your kind comments! I’ve found this simple project to be absolutely indispensable…it ensures large work pieces remain level and in-place while mortising…and it speeds up the cabinet making process, too, by shortening set-up time.

-- Jeff, "The things I make may be for others, but how I make them is for me."

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