Using Keyway Keys for Precise Measurement

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Forum topic by Jim Crockett (USN Retired) posted 09-02-2009 11:06 PM 3619 views 0 times favorited 6 replies Add to Favorites Watch
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Jim Crockett (USN Retired)

852 posts in 3157 days

09-02-2009 11:06 PM

I received a link to this video tip in an email from FineWoodworking today – here is the link

I have a set of brass setup bars that I use frequently but never gave a thought to these keys that are available at most hardware stores.

Here is an excerpt from the web page:

When checking the depth of a dado or preparing your bandsaw fence for resawing, using a tape measure or metal scale can be clumsy at best. For less than $10 however, you can outfit yourself with an entire set of incredibly precise measurement tools that fit in the palm of your hand.

Keyway keys, more common to the machine shop than the workshop, are manufactured to extremely tight tolerances and are an easy way to verify the accuracy of a variety of common measurements.”


-- A veteran is someone who, at one point in his/her life, wrote a blank check made payable to "The United States of America," for an amount of "up to and including his/her life".

6 replies so far

View a1Jim's profile


115177 posts in 3001 days

#1 posted 09-02-2009 11:09 PM

good idea

-- Custom furniture

View patron's profile


13524 posts in 2765 days

#2 posted 09-02-2009 11:14 PM

this must be ,
” keyway day ” .

this is the third post today .

dick and barb ,
gman ,
and yourself ! i guess this way everybody will get to see one of them ?

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View GMman's profile


3902 posts in 3121 days

#3 posted 09-02-2009 11:20 PM

David I got the cheap ones 70 cent each.

View Bricofleur's profile


1357 posts in 2617 days

#4 posted 09-03-2009 02:17 AM

I saw the video on this website and added the keyway keys to my list for my next trip to my local hardware store. I alredy own the measuring bar set from Oak-Park, but the kit has only 5 bars. There’s always room for more, as they say. Note that I also use my twist drill bits for setups, but many times you need square gauges.

As Gary Rogowski once said “Joinery is patience and accuracy”. For accuracy the measuring bars are excellent.

More to come for sure in my shop.



-- Learn from yesterday, work today and enjoy success tomorrow. --

View TopamaxSurvivor's profile


17577 posts in 3100 days

#5 posted 09-03-2009 07:52 AM

great idea, thx, :-))

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View scrappy's profile


3506 posts in 2854 days

#6 posted 09-03-2009 08:40 AM

Great idea. So is the “drill bit” idea. Hadn’t thought of something like this and Dad used to be a machinest! (I am ashamed)

Thanks for the tip.


-- Scrap Wood's the best...the projects are smaller, and so is the mess!

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