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Forum topic by doninvegas posted 07-25-2010 01:31 AM 1184 views 0 times favorited 9 replies Add to Favorites Watch
View doninvegas's profile


334 posts in 2932 days

07-25-2010 01:31 AM

I bought the Woodsmith box joint jig kit, The plans and hardware. I built it today but no matter what I do I can’t get a box joint to fit right. It’s mostly too tight but when I adjust it just a bit then it’s too loose. I know it’s my set up but for the life of me I can’t get it right. Now I’m out of scrap to test. Does anyone have this jig and if so tell me what I’m doing wrong.

-- "Courage is being scared to death -- but saddling up anyway."

9 replies so far

View christopheralan's profile


1126 posts in 3745 days

#1 posted 07-25-2010 02:31 AM

I know how annoying that can be. Wish I could help man, but best of luck. Do they have a website with set-up help, FAQ’s or an 800 number you can call?

-- christopheralan

View Eagle1's profile


2066 posts in 3089 days

#2 posted 07-25-2010 11:41 AM

I don’t know anything about that brand. You might see if there is a updated manual on there website for it, they may have changed somethings onit or look for faq. on the site also.

-- Tim, Missouri ....Inside every older person is a younger person wondering what the heck happened

View bladeburner's profile


88 posts in 3112 days

#3 posted 07-25-2010 03:45 PM

This one?
(Sorrry..tried to paste a pic here…didn’t work)

If so, I make a test cut, then measure the resulting notch with a micrometer; lock the micrometer.

Set the notch finger gap to just the exact size. Careful not to bend the fingers with the sides of the notch, (Easy to do).

Then the space between the inside of the cutter (blade or bit) to the inside of the nearest notch finger. All this takes less time to actually do, than for me to type this!

View Gerry's profile


264 posts in 3265 days

#4 posted 07-25-2010 07:31 PM

Hi. Have had a similar result with a shop made jig. Don’t know your jig specifically, but what I found is if you scribe a line on the jig when it is cutting the joint too tight, and then JUST cover the scribed line with the edge of the movable fence (jig edge) the box joints then work out. Hope this is of help.

-- -Gerry, Hereford, AZ ” A really good woodworker knows how the hide his / her mistakes.”

View TheDane's profile


5441 posts in 3688 days

#5 posted 07-26-2010 12:36 AM

I have the aluminum version of the Woodsmith jig … have never had a problem with it. I use mine with a set of Freud box joint blades (1/4” and 3/8”).

When I set mine up, I:
1) Install the blade combo I plan to use and make a test cut through a piece of stock.
2) Use the piece of stock to set the width of the adjustable key.
3) Use a precision setup bar (machine keys will work) of the appropriate width to set the distance from the blade to the edge of the adjustable key.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

View bladeburner's profile


88 posts in 3112 days

#6 posted 07-26-2010 02:08 AM

One more thought; make sure that you are not pushing the stock hard against the inside finger. It will flex.

View juniorjock's profile


1930 posts in 3790 days

#7 posted 07-27-2010 01:54 AM

This is another case of “you get what you pay for”. I bought this kit too, then bought the Woodsmith jig TheDane mentioned. The $$ you spent to begin with would have gone a long way to purchase this jig. The “kit” jig almost drove me crazy. I don’t even know where the parts for it are now. Good luck.

View Howie's profile


2656 posts in 2948 days

#8 posted 07-27-2010 02:04 AM

Are you absolutely sure the bit size is correct?

-- Life is good.

View doninvegas's profile


334 posts in 2932 days

#9 posted 07-27-2010 02:28 AM

Thanks, JR. I guess your right. The kit was only $15 so I figured “What The Hay”.
Howie, I used a piece of 1/4” stock and set my dado stack to that then I used that same piece of stock to set the adjustable key from the blade. I thought I’d close but I wasn’t even close. Just can’t get the thing to dial in. Oh well, live and learn.

-- "Courage is being scared to death -- but saddling up anyway."

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