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Blade tip profile for box joints

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Forum topic by Jim Rowe posted 872 days ago 895 views 0 times favorited 4 replies Add to Favorites Watch
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Jim Rowe

553 posts in 949 days


872 days ago

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
Jim

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


4 replies so far

View Loren's profile

Loren

7463 posts in 2284 days


#1 posted 872 days ago

Flat topped grind.

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

-- http://lawoodworking.com

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newwoodbutcher

347 posts in 1486 days


#2 posted 872 days ago

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

-- Ken

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gfadvm

10759 posts in 1326 days


#3 posted 871 days ago

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

Dusty56

11644 posts in 2324 days


#4 posted 871 days ago

FTG....you 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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