Reply by Rich

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Posted on Want to add mj splitters on my old Craftsman Table Saw

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5909 posts in 1446 days

#1 posted 04-07-2018 08:53 PM

The MJ Splitters do not equal the saw blade kerf like the home brew items mentioned. They are thinner than the blade, and the holes for them are drilled such that the outside faces are equal to the kerf. This is done with a jig that’s part of the kit.

I’ve used them since they came out because my older Delta doesn’t have a riving knife. I found the most useful splitter to add is the one that sits flush with the fence side of the blade and presses the cutoff against the fence to prevent it from drifting away. They come in really handy ripping 80” 8/4 hardwood for residential door stiles.

The splitter that sits flush with the other side of the blade mainly just prevents the cut from closing up. I’ve had a couple of instances where there was so much tension in the wood that it clamped down on those babies and I couldn’t complete the cut.

MicroJig has another option that’s part of their system. That’s to add what they call a kerf keeper instead of the outside (rear) splitter. It’s the width of the cut and the idea is that if the kerf starts to close, it will pinch the kerf keeper and pull it out so it stays with the board and keeps the kerf open. I haven’t tried using that, I do just fine with the single splitter on the fence side of the blade.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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