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dumb question re: miter slots

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Forum topic by jerkylips posted 12-13-2017 05:45 PM 276 views 0 times favorited 5 replies Add to Favorites Watch
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jerkylips

343 posts in 2444 days


12-13-2017 05:45 PM

Are the slots consistent from one model/brand to another? Specifically, the location on the table relative to each other and to the blade.

I have a couple jigs I was thinking about making, but a new table saw is in my grand plan in the not too distant future – just wondering if anything I build now would have to be rebuilt later?


5 replies so far

View Loren's profile

Loren

9769 posts in 3522 days


#1 posted 12-13-2017 05:51 PM

No. Rarely from brand to brand but sometimes
from model to model they may be consistent.
I’m sure a lot of cabinet saws are similar but I
wouldn’t expect a crosscut sled with two runners
to be interchangeable. I would make the runners
movable.

...and yes, probably.

View MrUnix's profile

MrUnix

6193 posts in 2073 days


#2 posted 12-13-2017 05:58 PM

Most mid to upper range saws are more or less standardized on 3/4 X 3/8. Bench top things are hit and miss, with a lot having 5/8 wide slots, sometimes T-shaped, and sometimes with little tabs protruding into the slot. As far as placement – absolutely not [1]. You can not take a sled made on one machine and use it on another as-is, usually even if it is the exact same brand/model due to differences in blade alignment/table placement. When you sell your saw, sell the jigs along with it and make new ones. On a positive side, the second version is always better than the first :)

Cheers,
Brad

[1] I know somebody will come along and said they did, and there is that 0.1% chance that it will work. But that is the exception, not the rule.

-- Brad in FL - In Dog I trust... everything else is questionable

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splintergroup

1819 posts in 1096 days


#3 posted 12-13-2017 07:22 PM

Note that the “standard” 3/4” miter slot has a rather broad industry tolerance of probably +/- 0.015” My Unisaw slots are so oversized, many aftermarket items wont function properly.

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jerkylips

343 posts in 2444 days


#4 posted 12-13-2017 07:33 PM

Pretty much what I figured, but thought I’d ask. I love the positivity of the comment “the second version is always better”!

View ArtMann's profile

ArtMann

758 posts in 690 days


#5 posted 12-13-2017 08:09 PM

I had to remake my crosscut and miter sleds when I sold my contractor saw and bought a hybrid saw. If I had only used one runner instead of two, there is a slight chance they would have worked. It would be a wild coincidence if the distance from the miter slot to the saw blade (and kerf) were the same. Typically, that is a requirement. I can see how some things could be designed for multiple saws but you will have to always keep compatibility in mind.

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