Blade tip profile for box joints

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Forum topic by Jim Rowe posted 04-12-2012 03:53 PM 1072 views 0 times favorited 4 replies Add to Favorites Watch
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Jim Rowe

768 posts in 1347 days

04-12-2012 03:53 PM

Topic tags/keywords: box joint jig saw tooth profile question

I am thinking of making a box joint jig for use on my small table saw (Scheppach TS 2000) using one of the designs from Stumpy or Matthias. The saw’s blade diameter is 200 mm or 8 inches in old currency. Can anyone advise me on the best / correct tooth tip profile for my saw blade as I am afraid that the alternate angled one I presently use will not give a flat even bottom to the joint. As the jig will be used for small boxes I want to ensure that all the joint work looks neat and tidy. Thanks

-- It always looks better when it's finished!

4 replies so far

View Loren's profile


7967 posts in 2682 days

#1 posted 04-12-2012 04:24 PM

Flat topped grind.

The blade may be hard to find but a saw sharpener can
regrind a blade with a different grind easily.


View newwoodbutcher's profile


432 posts in 1885 days

#2 posted 04-12-2012 04:49 PM

Forrest has a blade set just for this purpose. I have one and am very happy with it

-- Ken

View gfadvm's profile


13741 posts in 1725 days

#3 posted 04-13-2012 02:22 AM

Freud has a 2 blade set that I love!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Dusty56's profile


11777 posts in 2723 days

#4 posted 04-13-2012 03:04 AM don’t need to spend $100 on a specialty blade. I brought an older blade to my sharpening service and asked them to regrind the teeth to be a Flat Top Grind design. Cost me $8 at the time and still using it today : )
Perfect flat bottom and square edged cuts.
You can also Google “FTG saw blades” if you must have something new.

-- I'm absolutely positive that I couldn't be more uncertain!

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