Kerfmaker... and another

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Project by timber715 posted 11-26-2009 08:54 PM 5403 views 7 times favorited 8 comments Add to Favorites Watch

after reading several blogs, I couldn’t help but try my hand at making this (made mine out of Goncalo Alves ). from Bridge City’s KM1 to this very simple design, it seems inevitable that others will join.
the build is very straightforward, rabbet a piece of any wood, cut in half, add a stop, put an adjusting screw and a locking bolt (I used a winged nut). then you’re 95% done. all you have to do next is adjust the screw for the kerf width. In reality, this screw would be the means to tighten or loosen the fit of the joint. I find it perfect in all aspects. Simple build, minimal materials if not scraps, low hardware costs and best of all the control it gives the user to dial the joint fit to his hearts content.

-- timber715 - Manila, Philippines

8 comments so far

View Barto's profile


24 posts in 3823 days

#1 posted 11-26-2009 09:04 PM

Intriguing. Pardon my ignorance but hoe does this work? I inderstand how the jig adjusts etc. but not how you use it? Thanks

-- Bart, Waimauku NZ

View timber715's profile


59 posts in 3612 days

#2 posted 11-26-2009 09:08 PM

KM1 Kerfmaker

-- timber715 - Manila, Philippines

View WayneC's profile


14358 posts in 4605 days

#3 posted 11-26-2009 09:09 PM

Bart, check out the video at the bottom of this page.'s+New/KM-1+KerfMaker+Pre-Order

I placed an order for this one this morning.

-- We must guard our enthusiasm as we would our life - James Krenov

View Barto's profile


24 posts in 3823 days

#4 posted 11-26-2009 09:14 PM

Thanks – video explains it perfectly! (cool music as well)

-- Bart, Waimauku NZ

View ChuckM's profile


625 posts in 4174 days

#5 posted 11-26-2009 09:40 PM

Great another chain post on the Kerf maker. The more we keep it alive, the more people will know about it and learn about the great trick.

Barto: To make one of these, check out this thread for instructions –

Alternatively, order one from Bridge City.

-- The time I enjoy wasting is not time wasted

View Grumpy's profile


25623 posts in 4359 days

#6 posted 11-30-2009 12:28 AM

Great idea Timber715. Very simple & effective home made jig.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View renaissance_guy's profile


64 posts in 4068 days

#7 posted 11-30-2009 01:25 PM

The kerf width adjusting screw is a brilliant idea.

-- Life is about experiences.

View hardwoodflooring's profile


202 posts in 3705 days

#8 posted 11-30-2009 10:12 PM

nice idea.

-- hardwood, South Carolina,

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